80388770 has 48 divisors (see below), whose sum is σ = 181790784. Its totient is φ = 25053600.

The previous prime is 80388751. The next prime is 80388773. The reversal of 80388770 is 7788308.

It is a super-2 number, since 2×80388770² = 12924708684225800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (80388773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3725 + ... + 13215.

It is an arithmetic number, because the mean of its divisors is an integer number (3787308).

Almost surely, 2^80388770 is an apocalyptic number.

80388770 is an abundant number, since it is smaller than the sum of its proper divisors (101402014).

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

80388770 is a wasteful number, since it uses less digits than its factorization.

80388770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9527 (or 9516 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 80388770 is about 8965.9784742102. The cubic root of 80388770 is about 431.5837933826.

The spelling of 80388770 in words is "eighty million, three hundred eighty-eight thousand, seven hundred seventy".