625287785472 has 264 divisors, whose sum is σ = 2068903489536. Its totient is φ = 178180153344.

The previous prime is 625287785459. The next prime is 625287785489. The reversal of 625287785472 is 274587782526.

625287785472 is a `hidden beast` number, since 6 + 2 + 5 + 2 + 87 + 7 + 8 + 547 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 24695443 + ... + 24720749.

Almost surely, 2^625287785472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625287785472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1034451744768).

625287785472 is an abundant number, since it is smaller than the sum of its proper divisors (1443615704064).

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

625287785472 is a wasteful number, since it uses less digits than its factorization.

625287785472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25723 (or 25702 counting only the distinct ones).

The product of its digits is 105369600, while the sum is 63.

The spelling of 625287785472 in words is "six hundred twenty-five billion, two hundred eighty-seven million, seven hundred eighty-five thousand, four hundred seventy-two".