86957078 has 8 divisors (see below), whose sum is σ = 140469168. Its totient is φ = 40134024.

The previous prime is 86957071. The next prime is 86957107. The reversal of 86957078 is 87075968.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86957071) 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, 1672226 + ... + 1672277.

It is an arithmetic number, because the mean of its divisors is an integer number (17558646).

Almost surely, 2^86957078 is an apocalyptic number.

86957078 is a deficient number, since it is larger than the sum of its proper divisors (53512090).

86957078 is a wasteful number, since it uses less digits than its factorization.

86957078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3344518.

The product of its (nonzero) digits is 846720, while the sum is 50.

The square root of 86957078 is about 9325.0779085217. The cubic root of 86957078 is about 443.0318806706.

The spelling of 86957078 in words is "eighty-six million, nine hundred fifty-seven thousand, seventy-eight".