86977331 has 8 divisors (see below), whose sum is σ = 99621984. Its totient is φ = 74387520.

The previous prime is 86977309. The next prime is 86977333. The reversal of 86977331 is 13377968.

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

It is a cyclic number.

It is not a de Polignac number, because 86977331 - 2¹⁴ = 86960947 is a prime.

It is a super-2 number, since 2×86977331² = 15130112215767122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86977333) 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, 10250 + ... + 16703.

It is an arithmetic number, because the mean of its divisors is an integer number (12452748).

Almost surely, 2^86977331 is an apocalyptic number.

86977331 is a deficient number, since it is larger than the sum of its proper divisors (12644653).

86977331 is a wasteful number, since it uses less digits than its factorization.

86977331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27421.

The product of its digits is 190512, while the sum is 44.

The square root of 86977331 is about 9326.1637879677. The cubic root of 86977331 is about 443.0662732253.

The spelling of 86977331 in words is "eighty-six million, nine hundred seventy-seven thousand, three hundred thirty-one".