107521351677 has 12 divisors (see below), whose sum is σ = 156166680124. Its totient is φ = 71284872960.

The previous prime is 107521351661. The next prime is 107521351699. The reversal of 107521351677 is 776153125701.

107521351677 is a `hidden beast` number, since 1 + 0 + 7 + 52 + 13 + 516 + 77 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24960524121 + 82560827556 = 157989^2 + 287334^2 .

It is not a de Polignac number, because 107521351677 - 2⁴ = 107521351661 is a prime.

It is a super-2 number, since 2×107521351677² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107501351677) 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, 33000628 + ... + 33003885.

Almost surely, 2^107521351677 is an apocalyptic number.

It is an amenable number.

107521351677 is a deficient number, since it is larger than the sum of its proper divisors (48645328447).

107521351677 is a wasteful number, since it uses less digits than its factorization.

107521351677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66004700 (or 66004697 counting only the distinct ones).

The product of its (nonzero) digits is 308700, while the sum is 45.

The spelling of 107521351677 in words is "one hundred seven billion, five hundred twenty-one million, three hundred fifty-one thousand, six hundred seventy-seven".