80578630 has 16 divisors (see below), whose sum is σ = 158227344. Its totient is φ = 29301280.

The previous prime is 80578613. The next prime is 80578661. The reversal of 80578630 is 3687508.

It is a super-2 number, since 2×80578630² = 12985831225353800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80578630.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 366157 + ... + 366376.

It is an arithmetic number, because the mean of its divisors is an integer number (9889209).

Almost surely, 2^80578630 is an apocalyptic number.

80578630 is a deficient number, since it is larger than the sum of its proper divisors (77648714).

80578630 is a wasteful number, since it uses less digits than its factorization.

80578630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732551.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 80578630 is about 8976.5600315488. The cubic root of 80578630 is about 431.9232938511.

The spelling of 80578630 in words is "eighty million, five hundred seventy-eight thousand, six hundred thirty".