86768415 has 20 divisors (see below), whose sum is σ = 155541144. Its totient is φ = 46276272.

The previous prime is 86768399. The next prime is 86768419. The reversal of 86768415 is 51486768.

It is a happy number.

It is not a de Polignac number, because 86768415 - 2⁴ = 86768399 is a prime.

It is a super-2 number, since 2×86768415² = 15057515683224450, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86768419) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 106717 + ... + 107526.

Almost surely, 2^86768415 is an apocalyptic number.

86768415 is a deficient number, since it is larger than the sum of its proper divisors (68772729).

86768415 is a wasteful number, since it uses less digits than its factorization.

86768415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214260 (or 214251 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 86768415 is about 9314.9565216377. The cubic root of 86768415 is about 442.7112464503.

The spelling of 86768415 in words is "eighty-six million, seven hundred sixty-eight thousand, four hundred fifteen".