80646004 has 24 divisors (see below), whose sum is σ = 152022528. Its totient is φ = 37324320.

The previous prime is 80645969. The next prime is 80646017. The reversal of 80646004 is 40064608.

It is a super-2 number, since 2×80646004² = 13007555922336032, which contains 22 as substring.

It is a congruent number.

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, 11287 + ... + 16990.

It is an arithmetic number, because the mean of its divisors is an integer number (6334272).

Almost surely, 2^80646004 is an apocalyptic number.

It is an amenable number.

80646004 is a deficient number, since it is larger than the sum of its proper divisors (71376524).

80646004 is a wasteful number, since it uses less digits than its factorization.

80646004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28335 (or 28333 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 80646004 is about 8980.3120213053. The cubic root of 80646004 is about 432.0436412816.

The spelling of 80646004 in words is "eighty million, six hundred forty-six thousand, four".