86927677 has 4 divisors (see below), whose sum is σ = 86948316. Its totient is φ = 86907040.

The previous prime is 86927671. The next prime is 86927693. The reversal of 86927677 is 77672968.

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 2 ways, for example, as 82555396 + 4372281 = 9086^2 + 2091^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86927677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86927671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1474 + ... + 13267.

It is an arithmetic number, because the mean of its divisors is an integer number (21737079).

Almost surely, 2^86927677 is an apocalyptic number.

86927677 is the 5897-th heptagonal number.

It is an amenable number.

86927677 is a deficient number, since it is larger than the sum of its proper divisors (20639).

86927677 is a wasteful number, since it uses less digits than its factorization.

86927677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20638.

The product of its digits is 1778112, while the sum is 52.

The square root of 86927677 is about 9323.5013272912. The cubic root of 86927677 is about 442.9819439704.

The spelling of 86927677 in words is "eighty-six million, nine hundred twenty-seven thousand, six hundred seventy-seven".