76768791 has 8 divisors (see below), whose sum is σ = 111663744. Its totient is φ = 46526520.

The previous prime is 76768789. The next prime is 76768817. The reversal of 76768791 is 19786767.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 76768791 - 2¹ = 76768789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76768711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1163131 + ... + 1163196.

It is an arithmetic number, because the mean of its divisors is an integer number (13957968).

Almost surely, 2^76768791 is an apocalyptic number.

76768791 is a deficient number, since it is larger than the sum of its proper divisors (34894953).

76768791 is a wasteful number, since it uses less digits than its factorization.

76768791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326341.

The product of its digits is 889056, while the sum is 51.

The square root of 76768791 is about 8761.7801273486. The cubic root of 76768791 is about 425.0058425956.

It can be divided in two parts, 76 and 768791, that added together give a palindrome (768867).

The spelling of 76768791 in words is "seventy-six million, seven hundred sixty-eight thousand, seven hundred ninety-one".