620748785088 has 70 divisors (see below), whose sum is σ = 1840093877336. Its totient is φ = 206916259968.

The previous prime is 620748785087. The next prime is 620748785093. The reversal of 620748785088 is 880587847026.

620748785088 is a `hidden beast` number, since 6 + 20 + 7 + 487 + 8 + 50 + 88 = 666.

It is a super-2 number, since 2×620748785088² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620748785087) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 59866420 + ... + 59876787.

Almost surely, 2^620748785088 is an apocalyptic number.

It is an amenable number.

620748785088 is an abundant number, since it is smaller than the sum of its proper divisors (1219345092248).

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

620748785088 is a wasteful number, since it uses less digits than its factorization.

620748785088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119743231 (or 119743212 counting only the distinct ones).

The product of its (nonzero) digits is 48168960, while the sum is 63.

The spelling of 620748785088 in words is "six hundred twenty billion, seven hundred forty-eight million, seven hundred eighty-five thousand, eighty-eight".