80857373087 has 2 divisors, whose sum is σ = 80857373088. Its totient is φ = 80857373086.

The previous prime is 80857373081. The next prime is 80857373137. The reversal of 80857373087 is 78037375808.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80857373087 - 2¹⁴ = 80857356703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80857373081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40428686543 + 40428686544.

It is an arithmetic number, because the mean of its divisors is an integer number (40428686544).

Almost surely, 2^80857373087 is an apocalyptic number.

80857373087 is a deficient number, since it is larger than the sum of its proper divisors (1).

80857373087 is an equidigital number, since it uses as much as digits as its factorization.

80857373087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7902720, while the sum is 56.

The spelling of 80857373087 in words is "eighty billion, eight hundred fifty-seven million, three hundred seventy-three thousand, eighty-seven".