86975822 has 8 divisors (see below), whose sum is σ = 131264616. Its totient is φ = 43220952.

The previous prime is 86975807. The next prime is 86975827. The reversal of 86975822 is 22857968.

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

It is a super-2 number, since 2×86975822² = 15129587225151368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86975827) 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, 133073 + ... + 133724.

It is an arithmetic number, because the mean of its divisors is an integer number (16408077).

Almost surely, 2^86975822 is an apocalyptic number.

86975822 is a deficient number, since it is larger than the sum of its proper divisors (44288794).

86975822 is a wasteful number, since it uses less digits than its factorization.

86975822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266962.

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

The square root of 86975822 is about 9326.0828861854. The cubic root of 86975822 is about 443.0637109068.

The spelling of 86975822 in words is "eighty-six million, nine hundred seventy-five thousand, eight hundred twenty-two".