47767142478 has 32 divisors (see below), whose sum is σ = 104554374912. Its totient is φ = 14428342400.

The previous prime is 47767142461. The next prime is 47767142491. The reversal of 47767142478 is 87424176774.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1143051 + ... + 1184102.

It is an arithmetic number, because the mean of its divisors is an integer number (3267324216).

Almost surely, 2^47767142478 is an apocalyptic number.

47767142478 is an abundant number, since it is smaller than the sum of its proper divisors (56787232434).

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

47767142478 is a wasteful number, since it uses less digits than its factorization.

47767142478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327480.

The product of its digits is 14751744, while the sum is 57.

The spelling of 47767142478 in words is "forty-seven billion, seven hundred sixty-seven million, one hundred forty-two thousand, four hundred seventy-eight".