8025707977 has 16 divisors (see below), whose sum is σ = 9731031040. Its totient is φ = 6465786768.

The previous prime is 8025707957. The next prime is 8025707981. The reversal of 8025707977 is 7797075208.

It is a de Polignac number, because none of the positive numbers 2^k-8025707977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8025707957) 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, 220683 + ... + 254464.

It is an arithmetic number, because the mean of its divisors is an integer number (608189440).

Almost surely, 2^8025707977 is an apocalyptic number.

It is an amenable number.

8025707977 is a deficient number, since it is larger than the sum of its proper divisors (1705323063).

8025707977 is a wasteful number, since it uses less digits than its factorization.

8025707977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475300.

The product of its (nonzero) digits is 1728720, while the sum is 52.

The square root of 8025707977 is about 89586.3157909733. The cubic root of 8025707977 is about 2002.1400407128.

The spelling of 8025707977 in words is "eight billion, twenty-five million, seven hundred seven thousand, nine hundred seventy-seven".