47977477974 has 12 divisors (see below), whose sum is σ = 103951202316. Its totient is φ = 15992492652.

The previous prime is 47977477973. The next prime is 47977477993.

47977477974 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47977477973) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1332707704 + ... + 1332707739.

It is an arithmetic number, because the mean of its divisors is an integer number (8662600193).

Almost surely, 2^47977477974 is an apocalyptic number.

47977477974 is an abundant number, since it is smaller than the sum of its proper divisors (55973724342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47977477974 is a wasteful number, since it uses less digits than its factorization.

47977477974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2665415451 (or 2665415448 counting only the distinct ones).

The product of its digits is 609892416, while the sum is 72.

The spelling of 47977477974 in words is "forty-seven billion, nine hundred seventy-seven million, four hundred seventy-seven thousand, nine hundred seventy-four".