86632078 has 16 divisors (see below), whose sum is σ = 142240896. Its totient is φ = 39327840.

The previous prime is 86632069. The next prime is 86632079. The reversal of 86632078 is 87023668.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 86632078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86632079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25726 + ... + 28897.

It is an arithmetic number, because the mean of its divisors is an integer number (8890056).

Almost surely, 2^86632078 is an apocalyptic number.

86632078 is a deficient number, since it is larger than the sum of its proper divisors (55608818).

86632078 is a wasteful number, since it uses less digits than its factorization.

86632078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54699.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 86632078 is about 9307.6354677222. The cubic root of 86632078 is about 442.4792512641.

The spelling of 86632078 in words is "eighty-six million, six hundred thirty-two thousand, seventy-eight".