47764309779 has 12 divisors (see below), whose sum is σ = 72624097000. Its totient is φ = 30166932384.

The previous prime is 47764309771. The next prime is 47764309781. The reversal of 47764309779 is 97790346774.

47764309779 is a `hidden beast` number, since 47 + 7 + 6 + 430 + 97 + 79 = 666.

It is not a de Polignac number, because 47764309779 - 2³ = 47764309771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47764309771) 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, 139661554 + ... + 139661895.

Almost surely, 2^47764309779 is an apocalyptic number.

47764309779 is a deficient number, since it is larger than the sum of its proper divisors (24859787221).

47764309779 is a wasteful number, since it uses less digits than its factorization.

47764309779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279323474 (or 279323471 counting only the distinct ones).

The product of its (nonzero) digits is 56010528, while the sum is 63.

The spelling of 47764309779 in words is "forty-seven billion, seven hundred sixty-four million, three hundred nine thousand, seven hundred seventy-nine".