80784004 has 24 divisors (see below), whose sum is σ = 168594048. Its totient is φ = 33116160.

The previous prime is 80784001. The next prime is 80784007. The reversal of 80784004 is 40048708.

It is an interprime number because it is at equal distance from previous prime (80784001) and next prime (80784007).

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (80784001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62077 + ... + 63364.

It is an arithmetic number, because the mean of its divisors is an integer number (7024752).

Almost surely, 2^80784004 is an apocalyptic number.

It is an amenable number.

80784004 is an abundant number, since it is smaller than the sum of its proper divisors (87810044).

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

80784004 is a wasteful number, since it uses less digits than its factorization.

80784004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125475 (or 125473 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 80784004 is about 8987.9922118346. The cubic root of 80784004 is about 432.2899359678.

The spelling of 80784004 in words is "eighty million, seven hundred eighty-four thousand, four".