47029122977 has 8 divisors (see below), whose sum is σ = 47453124264. Its totient is φ = 46605259008.

The previous prime is 47029122823. The next prime is 47029122989. The reversal of 47029122977 is 77922192074.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14300333056 + 32728789921 = 119584^2 + 180911^2 .

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 47029122977 - 2¹⁶ = 47029057441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47029121977) 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, 729923 + ... + 791735.

It is an arithmetic number, because the mean of its divisors is an integer number (5931640533).

Almost surely, 2^47029122977 is an apocalyptic number.

It is an amenable number.

47029122977 is a deficient number, since it is larger than the sum of its proper divisors (424001287).

47029122977 is a wasteful number, since it uses less digits than its factorization.

47029122977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68659.

The product of its (nonzero) digits is 889056, while the sum is 50.

The spelling of 47029122977 in words is "forty-seven billion, twenty-nine million, one hundred twenty-two thousand, nine hundred seventy-seven".