76885407 has 24 divisors (see below), whose sum is σ = 119096640. Its totient is φ = 47623680.

The previous prime is 76885397. The next prime is 76885411. The reversal of 76885407 is 70458867.

It is not a de Polignac number, because 76885407 - 2¹⁰ = 76884383 is a prime.

It is a super-2 number, since 2×76885407² = 11822731619111298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76885427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8907 + ... + 15267.

It is an arithmetic number, because the mean of its divisors is an integer number (4962360).

Almost surely, 2^76885407 is an apocalyptic number.

76885407 is a deficient number, since it is larger than the sum of its proper divisors (42211233).

76885407 is a wasteful number, since it uses less digits than its factorization.

76885407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6463 (or 6460 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 76885407 is about 8768.4324140635. The cubic root of 76885407 is about 425.2209361069.

The spelling of 76885407 in words is "seventy-six million, eight hundred eighty-five thousand, four hundred seven".