8020777662 has 12 divisors (see below), whose sum is σ = 17378351640. Its totient is φ = 2673592548.

The previous prime is 8020777627. The next prime is 8020777697. The reversal of 8020777662 is 2667770208.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8020777627) and next prime (8020777697).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 222799362 + ... + 222799397.

It is an arithmetic number, because the mean of its divisors is an integer number (1448195970).

Almost surely, 2^8020777662 is an apocalyptic number.

8020777662 is an abundant number, since it is smaller than the sum of its proper divisors (9357573978).

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

8020777662 is a wasteful number, since it uses less digits than its factorization.

8020777662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445598767 (or 445598764 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 8020777662 is about 89558.7944425337. The cubic root of 8020777662 is about 2001.7299749951.

The spelling of 8020777662 in words is "eight billion, twenty million, seven hundred seventy-seven thousand, six hundred sixty-two".