86680977 has 8 divisors (see below), whose sum is σ = 122373216. Its totient is φ = 54388032.

The previous prime is 86680969. The next prime is 86680981. The reversal of 86680977 is 77908668.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86680977 - 2³ = 86680969 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 1699627 = 86680977 / (8 + 6 + 6 + 8 + 0 + 9 + 7 + 7).

It is not an unprimeable number, because it can be changed into a prime (86680777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 849763 + ... + 849864.

It is an arithmetic number, because the mean of its divisors is an integer number (15296652).

Almost surely, 2^86680977 is an apocalyptic number.

It is an amenable number.

86680977 is a deficient number, since it is larger than the sum of its proper divisors (35692239).

86680977 is a wasteful number, since it uses less digits than its factorization.

86680977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699647.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 86680977 is about 9310.2619189795. The cubic root of 86680977 is about 442.5624872654.

The spelling of 86680977 in words is "eighty-six million, six hundred eighty thousand, nine hundred seventy-seven".