801653812 has 24 divisors (see below), whose sum is σ = 1438520832. Its totient is φ = 390667200.

The previous prime is 801653791. The next prime is 801653851. The reversal of 801653812 is 218356108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239583 + ... + 242905.

It is an arithmetic number, because the mean of its divisors is an integer number (59938368).

Almost surely, 2^801653812 is an apocalyptic number.

801653812 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

801653812 is a deficient number, since it is larger than the sum of its proper divisors (636867020).

801653812 is a wasteful number, since it uses less digits than its factorization.

801653812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4839 (or 4837 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 801653812 is about 28313.4916956563. The cubic root of 801653812 is about 928.9570193658.

The spelling of 801653812 in words is "eight hundred one million, six hundred fifty-three thousand, eight hundred twelve".