86761836 has 36 divisors (see below), whose sum is σ = 250646032. Its totient is φ = 24789024.

The previous prime is 86761813. The next prime is 86761849. The reversal of 86761836 is 63816768.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 86761791 and 86761800.

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, 171895 + ... + 172398.

Almost surely, 2^86761836 is an apocalyptic number.

It is an amenable number.

86761836 is an abundant number, since it is smaller than the sum of its proper divisors (163884196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86761836 is a wasteful number, since it uses less digits than its factorization.

86761836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344310 (or 344305 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 86761836 is about 9314.6033731985. The cubic root of 86761836 is about 442.7000570066.

The spelling of 86761836 in words is "eighty-six million, seven hundred sixty-one thousand, eight hundred thirty-six".