86788367 has 4 divisors (see below), whose sum is σ = 88634976. Its totient is φ = 84941760.

The previous prime is 86788357. The next prime is 86788381. The reversal of 86788367 is 76388768.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86788367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86788357) 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, 923234 + ... + 923327.

It is an arithmetic number, because the mean of its divisors is an integer number (22158744).

Almost surely, 2^86788367 is an apocalyptic number.

86788367 is a deficient number, since it is larger than the sum of its proper divisors (1846609).

86788367 is a wasteful number, since it uses less digits than its factorization.

86788367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846608.

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

The square root of 86788367 is about 9316.0274258935. The cubic root of 86788367 is about 442.7451769915.

The spelling of 86788367 in words is "eighty-six million, seven hundred eighty-eight thousand, three hundred sixty-seven".