2278890078472 has 16 divisors (see below), whose sum is σ = 4883335882560. Its totient is φ = 976667176464.

The previous prime is 2278890078467. The next prime is 2278890078497. The reversal of 2278890078472 is 2748700988722.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20347232788 + ... + 20347232899.

It is an arithmetic number, because the mean of its divisors is an integer number (305208492660).

Almost surely, 2^{2278890078472} is an apocalyptic number.

It is an amenable number.

2278890078472 is an abundant number, since it is smaller than the sum of its proper divisors (2604445804088).

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

2278890078472 is a wasteful number, since it uses less digits than its factorization.

2278890078472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40694465700 (or 40694465696 counting only the distinct ones).

The product of its (nonzero) digits is 50577408, while the sum is 64.

The spelling of 2278890078472 in words is "two trillion, two hundred seventy-eight billion, eight hundred ninety million, seventy-eight thousand, four hundred seventy-two".