652776677256 has 64 divisors (see below), whose sum is σ = 1874000044800. Its totient is φ = 187400001600.

The previous prime is 652776677221. The next prime is 652776677279.

652776677256 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×652776677256² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

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, 65064430 + ... + 65074461.

It is an arithmetic number, because the mean of its divisors is an integer number (29281250700).

Almost surely, 2^652776677256 is an apocalyptic number.

652776677256 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

652776677256 is an abundant number, since it is smaller than the sum of its proper divisors (1221223367544).

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

652776677256 is a wasteful number, since it uses less digits than its factorization.

652776677256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130138930 (or 130138926 counting only the distinct ones).

The product of its digits is 311169600, while the sum is 66.

The spelling of 652776677256 in words is "six hundred fifty-two billion, seven hundred seventy-six million, six hundred seventy-seven thousand, two hundred fifty-six".