2897859336100 has 27 divisors (see below), whose sum is σ = 6288391699681. Its totient is φ = 1159136925200.

The previous prime is 2897859336067. The next prime is 2897859336103. The reversal of 2897859336100 is 16339587982.

The square root of 2897859336100 is 1702310.

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

It can be written as a sum of positive squares in only one way, i.e., 1043229360996 + 1854629975104 = 1021386^2 + 1361848^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2897859336103) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 16937985 + ... + 17108215.

Almost surely, 2^{2897859336100} is an apocalyptic number.

2897859336100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

2897859336100 is the 1702310-th square number.

It is an amenable number.

2897859336100 is an abundant number, since it is smaller than the sum of its proper divisors (3390532363581).

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

2897859336100 is an frugal number, since it uses more digits than its factorization.

2897859336100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340476 (or 170238 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 61.

The spelling of 2897859336100 in words is "two trillion, eight hundred ninety-seven billion, eight hundred fifty-nine million, three hundred thirty-six thousand, one hundred".