47877855478402 has 32 divisors (see below), whose sum is σ = 79427136297600. Its totient is φ = 21542630608128.

The previous prime is 47877855478391. The next prime is 47877855478403. The reversal of 47877855478402 is 20487455877874.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (47877855478403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235615252 + ... + 235818367.

It is an arithmetic number, because the mean of its divisors is an integer number (2482098009300).

Almost surely, 2^{47877855478402} is an apocalyptic number.

47877855478402 is a deficient number, since it is larger than the sum of its proper divisors (31549280819198).

47877855478402 is a wasteful number, since it uses less digits than its factorization.

47877855478402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471433770.

The product of its (nonzero) digits is 3933798400, while the sum is 76.

The spelling of 47877855478402 in words is "forty-seven trillion, eight hundred seventy-seven billion, eight hundred fifty-five million, four hundred seventy-eight thousand, four hundred two".