86763878 has 8 divisors (see below), whose sum is σ = 130305672. Its totient is φ = 43328656.

The previous prime is 86763877. The next prime is 86763907. The reversal of 86763878 is 87836768.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86763871) 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, 24575 + ... + 27882.

It is an arithmetic number, because the mean of its divisors is an integer number (16288209).

Almost surely, 2^86763878 is an apocalyptic number.

86763878 is a deficient number, since it is larger than the sum of its proper divisors (43541794).

86763878 is a wasteful number, since it uses less digits than its factorization.

86763878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53286.

The product of its digits is 2709504, while the sum is 53.

The square root of 86763878 is about 9314.7129853796. The cubic root of 86763878 is about 442.7035300636.

The spelling of 86763878 in words is "eighty-six million, seven hundred sixty-three thousand, eight hundred seventy-eight".