86177485970 has 32 divisors (see below), whose sum is σ = 155537888688. Its totient is φ = 34378129408.

The previous prime is 86177485969. The next prime is 86177485981. The reversal of 86177485970 is 7958477168.

It can be written as a sum of positive squares in 8 ways, for example, as 32854825081 + 53322660889 = 181259^2 + 230917^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6772334 + ... + 6785046.

Almost surely, 2^86177485970 is an apocalyptic number.

86177485970 is a deficient number, since it is larger than the sum of its proper divisors (69360402718).

86177485970 is a wasteful number, since it uses less digits than its factorization.

86177485970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14494.

The product of its (nonzero) digits is 23708160, while the sum is 62.

The spelling of 86177485970 in words is "eighty-six billion, one hundred seventy-seven million, four hundred eighty-five thousand, nine hundred seventy".