86770982 has 4 divisors (see below), whose sum is σ = 130156476. Its totient is φ = 43385490.

The previous prime is 86770961. The next prime is 86770997. The reversal of 86770982 is 28907768.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21692744 + ... + 21692747.

It is an arithmetic number, because the mean of its divisors is an integer number (32539119).

Almost surely, 2^86770982 is an apocalyptic number.

86770982 is a deficient number, since it is larger than the sum of its proper divisors (43385494).

86770982 is a wasteful number, since it uses less digits than its factorization.

86770982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43385493.

The product of its (nonzero) digits is 338688, while the sum is 47.

The square root of 86770982 is about 9315.0943097749. The cubic root of 86770982 is about 442.7156122040.

The spelling of 86770982 in words is "eighty-six million, seven hundred seventy thousand, nine hundred eighty-two".