677140308025 has 12 divisors (see below), whose sum is σ = 889045393212. Its totient is φ = 509846819840.

The previous prime is 677140307993. The next prime is 677140308049. The reversal of 677140308025 is 520803041776.

It can be written as a sum of positive squares in 6 ways, for example, as 25297220601 + 651843087424 = 159051^2 + 807368^2 .

It is not a de Polignac number, because 677140308025 - 2⁵ = 677140307993 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 796635232 + ... + 796636081.

It is an arithmetic number, because the mean of its divisors is an integer number (74087116101).

Almost surely, 2^677140308025 is an apocalyptic number.

It is an amenable number.

677140308025 is a deficient number, since it is larger than the sum of its proper divisors (211905085187).

677140308025 is a wasteful number, since it uses less digits than its factorization.

677140308025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1593271340 (or 1593271335 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 677140308025 in words is "six hundred seventy-seven billion, one hundred forty million, three hundred eight thousand, twenty-five".