62974887561 has 32 divisors (see below), whose sum is σ = 94070515200. Its totient is φ = 41636229120.

The previous prime is 62974887553. The next prime is 62974887581. The reversal of 62974887561 is 16578847926.

62974887561 is a `hidden beast` number, since 6 + 2 + 97 + 488 + 7 + 5 + 61 = 666.

It is not a de Polignac number, because 62974887561 - 2³ = 62974887553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (62974887511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1569216 + ... + 1608846.

It is an arithmetic number, because the mean of its divisors is an integer number (2939703600).

Almost surely, 2^62974887561 is an apocalyptic number.

It is an amenable number.

62974887561 is a deficient number, since it is larger than the sum of its proper divisors (31095627639).

62974887561 is a wasteful number, since it uses less digits than its factorization.

62974887561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40126 (or 40120 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 63.

The spelling of 62974887561 in words is "sixty-two billion, nine hundred seventy-four million, eight hundred eighty-seven thousand, five hundred sixty-one".