80651286 has 12 divisors (see below), whose sum is σ = 174744492. Its totient is φ = 26883756.

The previous prime is 80651269. The next prime is 80651287. The reversal of 80651286 is 68215608.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 80651286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80651287) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2240296 + ... + 2240331.

It is an arithmetic number, because the mean of its divisors is an integer number (14562041).

Almost surely, 2^80651286 is an apocalyptic number.

80651286 is an abundant number, since it is smaller than the sum of its proper divisors (94093206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80651286 is a wasteful number, since it uses less digits than its factorization.

80651286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4480635 (or 4480632 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 80651286 is about 8980.6061042671. The cubic root of 80651286 is about 432.0530734691.

The spelling of 80651286 in words is "eighty million, six hundred fifty-one thousand, two hundred eighty-six".