4077818555972 has 96 divisors (see below), whose sum is σ = 8316384410880. Its totient is φ = 1713503324160.

The previous prime is 4077818555963. The next prime is 4077818555983. The reversal of 4077818555972 is 2795558187704.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256765472 + ... + 256781352.

It is an arithmetic number, because the mean of its divisors is an integer number (86629004280).

Almost surely, 2^{4077818555972} is an apocalyptic number.

It is an amenable number.

4077818555972 is an abundant number, since it is smaller than the sum of its proper divisors (4238565854908).

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

4077818555972 is a wasteful number, since it uses less digits than its factorization.

4077818555972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16701 (or 16699 counting only the distinct ones).

The product of its (nonzero) digits is 197568000, while the sum is 68.

The spelling of 4077818555972 in words is "four trillion, seventy-seven billion, eight hundred eighteen million, five hundred fifty-five thousand, nine hundred seventy-two".