803568978 has 16 divisors (see below), whose sum is σ = 1785708960. Its totient is φ = 267856308.

The previous prime is 803568959. The next prime is 803568991. The reversal of 803568978 is 879865308.

It is a happy number.

803568978 is a `hidden beast` number, since 8 + 0 + 3 + 568 + 9 + 78 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 14880907 = 803568978 / (8 + 0 + 3 + 5 + 6 + 8 + 9 + 7 + 8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7440400 + ... + 7440507.

It is an arithmetic number, because the mean of its divisors is an integer number (111606810).

Almost surely, 2^803568978 is an apocalyptic number.

803568978 is an abundant number, since it is smaller than the sum of its proper divisors (982139982).

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

803568978 is a wasteful number, since it uses less digits than its factorization.

803568978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14880918 (or 14880912 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The square root of 803568978 is about 28347.2922516420. The cubic root of 803568978 is about 929.6961962925.

It can be divided in two parts, 803568 and 978, that added together give a triangular number (804546 = T₁₂₆₈).

The spelling of 803568978 in words is "eight hundred three million, five hundred sixty-eight thousand, nine hundred seventy-eight".