677644400115 has 32 divisors (see below), whose sum is σ = 1257079472640. Its totient is φ = 345696851808.

The previous prime is 677644400107. The next prime is 677644400131. The reversal of 677644400115 is 511004446776.

677644400115 is a `hidden beast` number, since 6 + 77 + 64 + 4 + 400 + 115 = 666.

It is not a de Polignac number, because 677644400115 - 2³ = 677644400107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109118377 + ... + 109124586.

It is an arithmetic number, because the mean of its divisors is an integer number (39283733520).

Almost surely, 2^677644400115 is an apocalyptic number.

677644400115 is a deficient number, since it is larger than the sum of its proper divisors (579435072525).

677644400115 is a wasteful number, since it uses less digits than its factorization.

677644400115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218243000 (or 218242994 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 677644400115 in words is "six hundred seventy-seven billion, six hundred forty-four million, four hundred thousand, one hundred fifteen".