80790004 has 6 divisors (see below), whose sum is σ = 141382514. Its totient is φ = 40395000.

The previous prime is 80789987. The next prime is 80790013. The reversal of 80790004 is 40009708.

It can be written as a sum of positive squares in only one way, i.e., 73925604 + 6864400 = 8598^2 + 2620^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10098747 + ... + 10098754.

Almost surely, 2^80790004 is an apocalyptic number.

It is an amenable number.

80790004 is a deficient number, since it is larger than the sum of its proper divisors (60592510).

80790004 is a wasteful number, since it uses less digits than its factorization.

80790004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20197505 (or 20197503 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 80790004 is about 8988.3259842976. The cubic root of 80790004 is about 432.3006380675.

The spelling of 80790004 in words is "eighty million, seven hundred ninety thousand, four".