87080370957 has 6 divisors (see below), whose sum is σ = 125782758062. Its totient is φ = 58053580632.

The previous prime is 87080370941. The next prime is 87080370959. The reversal of 87080370957 is 75907308078.

It can be written as a sum of positive squares in only one way, i.e., 67133328201 + 19947042756 = 259101^2 + 141234^2 .

It is not a de Polignac number, because 87080370957 - 2⁴ = 87080370941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87080370959) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4837798378 + ... + 4837798395.

Almost surely, 2^87080370957 is an apocalyptic number.

It is an amenable number.

87080370957 is a deficient number, since it is larger than the sum of its proper divisors (38702387105).

87080370957 is a wasteful number, since it uses less digits than its factorization.

87080370957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9675596779 (or 9675596776 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 54.

The spelling of 87080370957 in words is "eighty-seven billion, eighty million, three hundred seventy thousand, nine hundred fifty-seven".