76813807 has 8 divisors (see below), whose sum is σ = 88243616. Its totient is φ = 65498112.

The previous prime is 76813747. The next prime is 76813817. The reversal of 76813807 is 70831867.

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

It is a cyclic number.

It is not a de Polignac number, because 76813807 - 2⁷ = 76813679 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76813807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76813817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27078 + ... + 29779.

It is an arithmetic number, because the mean of its divisors is an integer number (11030452).

Almost surely, 2^76813807 is an apocalyptic number.

76813807 is a deficient number, since it is larger than the sum of its proper divisors (11429809).

76813807 is a wasteful number, since it uses less digits than its factorization.

76813807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57057.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 76813807 is about 8764.3486352381. The cubic root of 76813807 is about 425.0888985892.

The spelling of 76813807 in words is "seventy-six million, eight hundred thirteen thousand, eight hundred seven".