47997232077 has 32 divisors (see below), whose sum is σ = 66054328704. Its totient is φ = 30981888000.

The previous prime is 47997232067. The next prime is 47997232091. The reversal of 47997232077 is 77023279974.

It is a happy number.

It is not a de Polignac number, because 47997232077 - 2⁴ = 47997232061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47997232027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9406827 + ... + 9411927.

It is an arithmetic number, because the mean of its divisors is an integer number (2064197772).

Almost surely, 2^47997232077 is an apocalyptic number.

It is an amenable number.

47997232077 is a deficient number, since it is larger than the sum of its proper divisors (18057096627).

47997232077 is a wasteful number, since it uses less digits than its factorization.

47997232077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5709.

The product of its (nonzero) digits is 9335088, while the sum is 57.

The spelling of 47997232077 in words is "forty-seven billion, nine hundred ninety-seven million, two hundred thirty-two thousand, seventy-seven".