86490758 has 4 divisors (see below), whose sum is σ = 129736140. Its totient is φ = 43245378.

The previous prime is 86490751. The next prime is 86490779. The reversal of 86490758 is 85709468.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86490751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21622688 + ... + 21622691.

It is an arithmetic number, because the mean of its divisors is an integer number (32434035).

Almost surely, 2^86490758 is an apocalyptic number.

86490758 is a deficient number, since it is larger than the sum of its proper divisors (43245382).

86490758 is a wasteful number, since it uses less digits than its factorization.

86490758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43245381.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 86490758 is about 9300.0407525989. The cubic root of 86490758 is about 442.2385198024.

The spelling of 86490758 in words is "eighty-six million, four hundred ninety thousand, seven hundred fifty-eight".