76887387 has 24 divisors (see below), whose sum is σ = 115607856. Its totient is φ = 51064992.

The previous prime is 76887353. The next prime is 76887479. The reversal of 76887387 is 78378867.

It is not a de Polignac number, because 76887387 - 2¹⁰ = 76886363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76887287) 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, 96073 + ... + 96869.

It is an arithmetic number, because the mean of its divisors is an integer number (4816994).

Almost surely, 2^76887387 is an apocalyptic number.

76887387 is a deficient number, since it is larger than the sum of its proper divisors (38720469).

76887387 is an equidigital number, since it uses as much as digits as its factorization.

76887387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209 (or 1197 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 54.

The square root of 76887387 is about 8768.5453183524. The cubic root of 76887387 is about 425.2245862588.

The spelling of 76887387 in words is "seventy-six million, eight hundred eighty-seven thousand, three hundred eighty-seven".