628372897992 has 64 divisors (see below), whose sum is σ = 1994834601600. Its totient is φ = 179535113280.

The previous prime is 628372897979. The next prime is 628372898017. The reversal of 628372897992 is 299798273826.

628372897992 is a `hidden beast` number, since 6 + 28 + 372 + 89 + 79 + 92 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 628372897992.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207793759 + ... + 207796782.

It is an arithmetic number, because the mean of its divisors is an integer number (31169290650).

Almost surely, 2^628372897992 is an apocalyptic number.

It is an amenable number.

628372897992 is an abundant number, since it is smaller than the sum of its proper divisors (1366461703608).

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

628372897992 is a wasteful number, since it uses less digits than its factorization.

628372897992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415590563 (or 415590553 counting only the distinct ones).

The product of its digits is 329204736, while the sum is 72.

The spelling of 628372897992 in words is "six hundred twenty-eight billion, three hundred seventy-two million, eight hundred ninety-seven thousand, nine hundred ninety-two".