80369538 has 16 divisors (see below), whose sum is σ = 162331776. Its totient is φ = 26524400.

The previous prime is 80369507. The next prime is 80369551. The reversal of 80369538 is 83596308.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 80369538.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65706 + ... + 66917.

It is an arithmetic number, because the mean of its divisors is an integer number (10145736).

Almost surely, 2^80369538 is an apocalyptic number.

80369538 is an abundant number, since it is smaller than the sum of its proper divisors (81962238).

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

80369538 is a wasteful number, since it uses less digits than its factorization.

80369538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132729.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 80369538 is about 8964.9059113858. The cubic root of 80369538 is about 431.5493736433.

The spelling of 80369538 in words is "eighty million, three hundred sixty-nine thousand, five hundred thirty-eight".