8077100520 has 64 divisors (see below), whose sum is σ = 25656678720. Its totient is φ = 2027193344.

The previous prime is 8077100501. The next prime is 8077100533. The reversal of 8077100520 is 250017708.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1977642 + ... + 1981721.

It is an arithmetic number, because the mean of its divisors is an integer number (400885605).

Almost surely, 2^8077100520 is an apocalyptic number.

It is an amenable number.

8077100520 is an abundant number, since it is smaller than the sum of its proper divisors (17579578200).

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

8077100520 is a wasteful number, since it uses less digits than its factorization.

8077100520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3959394 (or 3959390 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 8077100520 is about 89872.6906240155. The cubic root of 8077100520 is about 2006.4045125512.

The spelling of 8077100520 in words is "eight billion, seventy-seven million, one hundred thousand, five hundred twenty".