76199706477 has 12 divisors (see below), whose sum is σ = 114142770560. Its totient is φ = 50799804156.

The previous prime is 76199706437. The next prime is 76199706481. The reversal of 76199706477 is 77460799167.

76199706477 is a `hidden beast` number, since 7 + 6 + 1 + 99 + 70 + 6 + 477 = 666.

It is not a de Polignac number, because 76199706477 - 2⁶ = 76199706413 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 (76199706437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156789277 + ... + 156789762.

Almost surely, 2^76199706477 is an apocalyptic number.

It is an amenable number.

76199706477 is a deficient number, since it is larger than the sum of its proper divisors (37943064083).

76199706477 is an equidigital number, since it uses as much as digits as its factorization.

76199706477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313579054 (or 313579042 counting only the distinct ones).

The product of its (nonzero) digits is 28005264, while the sum is 63.

The spelling of 76199706477 in words is "seventy-six billion, one hundred ninety-nine million, seven hundred six thousand, four hundred seventy-seven".