677626556825 has 12 divisors (see below), whose sum is σ = 848109802320. Its totient is φ = 537034876560.

The previous prime is 677626556821. The next prime is 677626556863. The reversal of 677626556825 is 528655626776.

677626556825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 677626556825 - 2² = 677626556821 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (677626556821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126656495 + ... + 126661844.

It is an arithmetic number, because the mean of its divisors is an integer number (70675816860).

Almost surely, 2^677626556825 is an apocalyptic number.

It is an amenable number.

677626556825 is a deficient number, since it is larger than the sum of its proper divisors (170483245495).

677626556825 is a wasteful number, since it uses less digits than its factorization.

677626556825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253318456 (or 253318451 counting only the distinct ones).

The product of its digits is 254016000, while the sum is 65.

The spelling of 677626556825 in words is "six hundred seventy-seven billion, six hundred twenty-six million, five hundred fifty-six thousand, eight hundred twenty-five".