76486431 has 16 divisors (see below), whose sum is σ = 121618944. Its totient is φ = 41805984.

The previous prime is 76486387. The next prime is 76486433. The reversal of 76486431 is 13468467.

It is not a de Polignac number, because 76486431 - 2⁷ = 76486303 is a prime.

It is a super-3 number, since 3×76486431³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 76486431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76486433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78696 + ... + 79661.

It is an arithmetic number, because the mean of its divisors is an integer number (7601184).

Almost surely, 2^76486431 is an apocalyptic number.

76486431 is a deficient number, since it is larger than the sum of its proper divisors (45132513).

76486431 is a wasteful number, since it uses less digits than its factorization.

76486431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158390.

The product of its digits is 96768, while the sum is 39.

The square root of 76486431 is about 8745.6521197679. The cubic root of 76486431 is about 424.4841371928.

The spelling of 76486431 in words is "seventy-six million, four hundred eighty-six thousand, four hundred thirty-one".