86670495 has 48 divisors (see below), whose sum is σ = 159344640. Its totient is φ = 43457472.

The previous prime is 86670487. The next prime is 86670497. The reversal of 86670495 is 59407668.

It is not a de Polignac number, because 86670495 - 2³ = 86670487 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 86670495.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86670497) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142482 + ... + 143088.

It is an arithmetic number, because the mean of its divisors is an integer number (3319680).

Almost surely, 2^86670495 is an apocalyptic number.

86670495 is a deficient number, since it is larger than the sum of its proper divisors (72674145).

86670495 is a wasteful number, since it uses less digits than its factorization.

86670495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804 (or 801 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 86670495 is about 9309.6989747252. The cubic root of 86670495 is about 442.5446474150.

The spelling of 86670495 in words is "eighty-six million, six hundred seventy thousand, four hundred ninety-five".