80786837090 has 8 divisors (see below), whose sum is σ = 145416306780. Its totient is φ = 32314734832.

The previous prime is 80786837081. The next prime is 80786837099. The reversal of 80786837090 is 9073868708.

It is an interprime number because it is at equal distance from previous prime (80786837081) and next prime (80786837099).

It can be written as a sum of positive squares in 2 ways, for example, as 78891889129 + 1894947961 = 280877^2 + 43531^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (80786837099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4039341845 + ... + 4039341864.

Almost surely, 2^80786837090 is an apocalyptic number.

80786837090 is a deficient number, since it is larger than the sum of its proper divisors (64629469690).

80786837090 is a wasteful number, since it uses less digits than its factorization.

80786837090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8078683716.

The product of its (nonzero) digits is 4064256, while the sum is 56.

The spelling of 80786837090 in words is "eighty billion, seven hundred eighty-six million, eight hundred thirty-seven thousand, ninety".