2897852526864 has 135 divisors (see below), whose sum is σ = 8181647725797. Its totient is φ = 957486966912.

The previous prime is 2897852526773. The next prime is 2897852526889. The reversal of 2897852526864 is 4686252587982.

The square root of 2897852526864 is 1702308.

It is a perfect power (a square), and thus also a powerful number.

2897852526864 is a `hidden beast` number, since 2 + 8 + 9 + 78 + 525 + 26 + 8 + 6 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 128264259600 + 2769588267264 = 358140^2 + 1664208^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 2897852526792 and 2897852526801.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2594316834 + ... + 2594317950.

Almost surely, 2^{2897852526864} is an apocalyptic number.

2897852526864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

2897852526864 is the 1702308-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2897852526864

2897852526864 is an abundant number, since it is smaller than the sum of its proper divisors (5283795198933).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2897852526864 is an equidigital number, since it uses as much as digits as its factorization.

2897852526864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502 (or 1249 counting only the distinct ones).

The product of its digits is 928972800, while the sum is 72.

The spelling of 2897852526864 in words is "two trillion, eight hundred ninety-seven billion, eight hundred fifty-two million, five hundred twenty-six thousand, eight hundred sixty-four".