86756122994 has 4 divisors (see below), whose sum is σ = 130134184494. Its totient is φ = 43378061496.

The previous prime is 86756122987. The next prime is 86756123023. The reversal of 86756122994 is 49922165768.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 43979542369 + 42776580625 = 209713^2 + 206825^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21689030747 + ... + 21689030750.

Almost surely, 2^86756122994 is an apocalyptic number.

86756122994 is a deficient number, since it is larger than the sum of its proper divisors (43378061500).

86756122994 is a wasteful number, since it uses less digits than its factorization.

86756122994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43378061499.

The product of its digits is 13063680, while the sum is 59.

The spelling of 86756122994 in words is "eighty-six billion, seven hundred fifty-six million, one hundred twenty-two thousand, nine hundred ninety-four".