76809933 has 18 divisors (see below), whose sum is σ = 113742122. Its totient is φ = 49947840.

The previous prime is 76809923. The next prime is 76809959. The reversal of 76809933 is 33990867.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1432809 + 75377124 = 1197^2 + 8682^2 .

It is not a de Polignac number, because 76809933 - 2⁶ = 76809869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76809923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12591 + ... + 17667.

Almost surely, 2^76809933 is an apocalyptic number.

It is an amenable number.

76809933 is a deficient number, since it is larger than the sum of its proper divisors (36932189).

76809933 is a wasteful number, since it uses less digits than its factorization.

76809933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5165 (or 5121 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 76809933 is about 8764.1276234432. The cubic root of 76809933 is about 425.0817522087.

The spelling of 76809933 in words is "seventy-six million, eight hundred nine thousand, nine hundred thirty-three".