86577956 has 6 divisors (see below), whose sum is σ = 151511430. Its totient is φ = 43288976.

The previous prime is 86577949. The next prime is 86577961. The reversal of 86577956 is 65977568.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 69222400 + 17355556 = 8320^2 + 4166^2 .

It is a junction number, because it is equal to n+sod(n) for n = 86577898 and 86577907.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10822241 + ... + 10822248.

It is an arithmetic number, because the mean of its divisors is an integer number (25251905).

Almost surely, 2^86577956 is an apocalyptic number.

It is an amenable number.

86577956 is a deficient number, since it is larger than the sum of its proper divisors (64933474).

86577956 is a wasteful number, since it uses less digits than its factorization.

86577956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21644493 (or 21644491 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 53.

The square root of 86577956 is about 9304.7276155726. The cubic root of 86577956 is about 442.3870881327.

The spelling of 86577956 in words is "eighty-six million, five hundred seventy-seven thousand, nine hundred fifty-six".