76946891 has 16 divisors (see below), whose sum is σ = 93033984. Its totient is φ = 62213184.

The previous prime is 76946843. The next prime is 76946917. The reversal of 76946891 is 19864967.

It is a cyclic number.

It is not a de Polignac number, because 76946891 - 2²² = 72752587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76948891) 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, 8480 + ... + 15026.

It is an arithmetic number, because the mean of its divisors is an integer number (5814624).

Almost surely, 2^76946891 is an apocalyptic number.

76946891 is a deficient number, since it is larger than the sum of its proper divisors (16087093).

76946891 is a wasteful number, since it uses less digits than its factorization.

76946891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6650.

The product of its digits is 653184, while the sum is 50.

The square root of 76946891 is about 8771.9376992772. The cubic root of 76946891 is about 425.3342533111.

The spelling of 76946891 in words is "seventy-six million, nine hundred forty-six thousand, eight hundred ninety-one".