677650252131 has 12 divisors (see below), whose sum is σ = 980350433608. Its totient is φ = 451064238624.

The previous prime is 677650252121. The next prime is 677650252141. The reversal of 677650252131 is 131252056776.

It is a happy number.

677650252131 is a `hidden beast` number, since 6 + 7 + 7 + 6 + 502 + 5 + 2 + 131 = 666.

It is an interprime number because it is at equal distance from previous prime (677650252121) and next prime (677650252141).

It is not a de Polignac number, because 677650252131 - 2²³ = 677641863523 is a prime.

It is a super-2 number, since 2×677650252131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677650252121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58543570 + ... + 58555143.

Almost surely, 2^677650252131 is an apocalyptic number.

677650252131 is a deficient number, since it is larger than the sum of its proper divisors (302700181477).

677650252131 is a wasteful number, since it uses less digits than its factorization.

677650252131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117099362 (or 117099359 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 45.

The spelling of 677650252131 in words is "six hundred seventy-seven billion, six hundred fifty million, two hundred fifty-two thousand, one hundred thirty-one".