47007723977 has 4 divisors (see below), whose sum is σ = 47031194640. Its totient is φ = 46984253316.

The previous prime is 47007723953. The next prime is 47007723989. The reversal of 47007723977 is 77932770074.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47007723977 - 2¹⁶ = 47007658441 is a prime.

It is a super-2 number, since 2×47007723977² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47007723937) 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 3 ways as a sum of consecutive naturals, for example, 11732327 + ... + 11736332.

It is an arithmetic number, because the mean of its divisors is an integer number (11757798660).

Almost surely, 2^47007723977 is an apocalyptic number.

It is an amenable number.

47007723977 is a deficient number, since it is larger than the sum of its proper divisors (23470663).

47007723977 is a wasteful number, since it uses less digits than its factorization.

47007723977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23470662.

The product of its (nonzero) digits is 3630312, while the sum is 53.

The spelling of 47007723977 in words is "forty-seven billion, seven million, seven hundred twenty-three thousand, nine hundred seventy-seven".