8720083057 has 16 divisors (see below), whose sum is σ = 10205471232. Its totient is φ = 7296045120.

The previous prime is 8720083033. The next prime is 8720083067. The reversal of 8720083057 is 7503800278.

It is not a de Polignac number, because 8720083057 - 2¹⁵ = 8720050289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8720083067) 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, 13432 + ... + 132742.

It is an arithmetic number, because the mean of its divisors is an integer number (637841952).

Almost surely, 2^8720083057 is an apocalyptic number.

It is an amenable number.

8720083057 is a deficient number, since it is larger than the sum of its proper divisors (1485388175).

8720083057 is a wasteful number, since it uses less digits than its factorization.

8720083057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119568.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 8720083057 is about 93381.3849597445. The cubic root of 8720083057 is about 2058.2914680982.

The spelling of 8720083057 in words is "eight billion, seven hundred twenty million, eighty-three thousand, fifty-seven".