80157287858 has 16 divisors (see below), whose sum is σ = 121385223960. Its totient is φ = 39695826816.

The previous prime is 80157287849. The next prime is 80157287897. The reversal of 80157287858 is 85878275108.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 41500616089 + 38656671769 = 203717^2 + 196613^2 .

It is a junction number, because it is equal to n+sod(n) for n = 80157287797 and 80157287806.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514910 + ... + 652262.

Almost surely, 2^80157287858 is an apocalyptic number.

80157287858 is a deficient number, since it is larger than the sum of its proper divisors (41227936102).

80157287858 is a wasteful number, since it uses less digits than its factorization.

80157287858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140141.

The product of its (nonzero) digits is 10035200, while the sum is 59.

The spelling of 80157287858 in words is "eighty billion, one hundred fifty-seven million, two hundred eighty-seven thousand, eight hundred fifty-eight".