47702077979 has 32 divisors (see below), whose sum is σ = 53324158464. Its totient is φ = 42469539840.

The previous prime is 47702077967. The next prime is 47702077999. The reversal of 47702077979 is 97977020774.

It is a cyclic number.

It is not a de Polignac number, because 47702077979 - 2⁸ = 47702077723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47702077949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4341737 + ... + 4352709.

It is an arithmetic number, because the mean of its divisors is an integer number (1666379952).

Almost surely, 2^47702077979 is an apocalyptic number.

47702077979 is a deficient number, since it is larger than the sum of its proper divisors (5622080485).

47702077979 is a wasteful number, since it uses less digits than its factorization.

47702077979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11207.

The product of its (nonzero) digits is 10890936, while the sum is 59.

The spelling of 47702077979 in words is "forty-seven billion, seven hundred two million, seventy-seven thousand, nine hundred seventy-nine".