2474878862664 has 96 divisors (see below), whose sum is σ = 7227884172600. Its totient is φ = 760500311040.

The previous prime is 2474878862657. The next prime is 2474878862681. The reversal of 2474878862664 is 4662688784742.

2474878862664 is a `hidden beast` number, since 2 + 4 + 7 + 487 + 8 + 86 + 2 + 6 + 64 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 911753800164 + 1563125062500 = 954858^2 + 1250250^2 .

It is a super-2 number, since 2×2474878862664² (a number of 26 digits) contains 22 as substring.

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 = 2474878862592 and 2474878862601.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1024959 + ... + 2449550.

Almost surely, 2^{2474878862664} is an apocalyptic number.

2474878862664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2474878862664 is an abundant number, since it is smaller than the sum of its proper divisors (4753005309936).

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

2474878862664 is a wasteful number, since it uses less digits than its factorization.

2474878862664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3475295 (or 3475288 counting only the distinct ones).

The product of its digits is 1387266048, while the sum is 72.

The spelling of 2474878862664 in words is "two trillion, four hundred seventy-four billion, eight hundred seventy-eight million, eight hundred sixty-two thousand, six hundred sixty-four".