47778007139212 has 72 divisors (see below), whose sum is σ = 97334245983744. Its totient is φ = 20461163391648.

The previous prime is 47778007139183. The next prime is 47778007139273. The reversal of 47778007139212 is 21293170087774.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1574374623 + ... + 1574404969.

It is an arithmetic number, because the mean of its divisors is an integer number (1351864527552).

Almost surely, 2^{47778007139212} is an apocalyptic number.

It is an amenable number.

47778007139212 is an abundant number, since it is smaller than the sum of its proper divisors (49556238844532).

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

47778007139212 is a wasteful number, since it uses less digits than its factorization.

47778007139212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36035 (or 36026 counting only the distinct ones).

The product of its (nonzero) digits is 8297856, while the sum is 58.

The spelling of 47778007139212 in words is "forty-seven trillion, seven hundred seventy-eight billion, seven million, one hundred thirty-nine thousand, two hundred twelve".