80862144 has 56 divisors (see below), whose sum is σ = 233403648. Its totient is φ = 24503040.

The previous prime is 80862101. The next prime is 80862191. The reversal of 80862144 is 44126808.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

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, 17032 + ... + 21255.

Almost surely, 2^80862144 is an apocalyptic number.

It is an amenable number.

80862144 is an abundant number, since it is smaller than the sum of its proper divisors (152541504).

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

80862144 is a wasteful number, since it uses less digits than its factorization.

80862144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38313 (or 38303 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 80862144 is about 8992.3380719366. The cubic root of 80862144 is about 432.4292715152.

The spelling of 80862144 in words is "eighty million, eight hundred sixty-two thousand, one hundred forty-four".