621792460872 has 96 divisors (see below), whose sum is σ = 1871776745280. Its totient is φ = 184866814080.

The previous prime is 621792460789. The next prime is 621792460873. The reversal of 621792460872 is 278064297126.

621792460872 is a `hidden beast` number, since 6 + 2 + 1 + 7 + 9 + 24 + 608 + 7 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (621792460873) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7364548 + ... + 7448499.

It is an arithmetic number, because the mean of its divisors is an integer number (19497674430).

Almost surely, 2^621792460872 is an apocalyptic number.

It is an amenable number.

621792460872 is an abundant number, since it is smaller than the sum of its proper divisors (1249984284408).

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

621792460872 is a wasteful number, since it uses less digits than its factorization.

621792460872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14813123 (or 14813116 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 621792460872 in words is "six hundred twenty-one billion, seven hundred ninety-two million, four hundred sixty thousand, eight hundred seventy-two".