86936378 has 8 divisors (see below), whose sum is σ = 130444500. Its totient is φ = 43454880.

The previous prime is 86936371. The next prime is 86936383. The reversal of 86936378 is 87363968.

It can be written as a sum of positive squares in 2 ways, for example, as 69438889 + 17497489 = 8333^2 + 4183^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86936371) 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, 7718 + ... + 15278.

Almost surely, 2^86936378 is an apocalyptic number.

86936378 is a deficient number, since it is larger than the sum of its proper divisors (43508122).

86936378 is a wasteful number, since it uses less digits than its factorization.

86936378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13312.

The product of its digits is 1306368, while the sum is 50.

The square root of 86936378 is about 9323.9679321628. The cubic root of 86936378 is about 442.9967235260.

The spelling of 86936378 in words is "eighty-six million, nine hundred thirty-six thousand, three hundred seventy-eight".