8001377798 has 16 divisors (see below), whose sum is σ = 12342945984. Its totient is φ = 3887352000.

The previous prime is 8001377771. The next prime is 8001377801. The reversal of 8001377798 is 8977731008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16415 + ... + 127562.

It is an arithmetic number, because the mean of its divisors is an integer number (771434124).

Almost surely, 2^8001377798 is an apocalyptic number.

8001377798 is a deficient number, since it is larger than the sum of its proper divisors (4341568186).

8001377798 is a wasteful number, since it uses less digits than its factorization.

8001377798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144767.

The product of its (nonzero) digits is 592704, while the sum is 50.

The square root of 8001377798 is about 89450.4208933642. The cubic root of 8001377798 is about 2000.1148099092.

The spelling of 8001377798 in words is "eight billion, one million, three hundred seventy-seven thousand, seven hundred ninety-eight".