76944387 has 24 divisors (see below), whose sum is σ = 114218832. Its totient is φ = 45800640.

The previous prime is 76944383. The next prime is 76944389. The reversal of 76944387 is 78344967.

It is a happy number.

It is not a de Polignac number, because 76944387 - 2² = 76944383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76944383) 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, 36453 + ... + 38505.

It is an arithmetic number, because the mean of its divisors is an integer number (4759118).

Almost surely, 2^76944387 is an apocalyptic number.

76944387 is a deficient number, since it is larger than the sum of its proper divisors (37274445).

76944387 is a wasteful number, since it uses less digits than its factorization.

76944387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131 (or 2100 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 48.

The square root of 76944387 is about 8771.7949702441. The cubic root of 76944387 is about 425.3296395291.

The spelling of 76944387 in words is "seventy-six million, nine hundred forty-four thousand, three hundred eighty-seven".