80851402 has 16 divisors (see below), whose sum is σ = 122463072. Its totient is φ = 40032720.

The previous prime is 80851363. The next prime is 80851411. The reversal of 80851402 is 20415808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119088 + ... + 119764.

It is an arithmetic number, because the mean of its divisors is an integer number (7653942).

Almost surely, 2^80851402 is an apocalyptic number.

80851402 is a deficient number, since it is larger than the sum of its proper divisors (41611670).

80851402 is a wasteful number, since it uses less digits than its factorization.

80851402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 80851402 is about 8991.7407658362. The cubic root of 80851402 is about 432.4101222128.

The spelling of 80851402 in words is "eighty million, eight hundred fifty-one thousand, four hundred two".