795321978 has 64 divisors (see below), whose sum is σ = 1780392960. Its totient is φ = 234819200.

The previous prime is 795321949. The next prime is 795322009. The reversal of 795321978 is 879123597.

It is a self number, because there is not a number n which added to its sum of digits gives 795321978.

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 31 ways as a sum of consecutive naturals, for example, 416101 + ... + 418007.

It is an arithmetic number, because the mean of its divisors is an integer number (27818640).

Almost surely, 2^795321978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 795321978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (890196480).

795321978 is an abundant number, since it is smaller than the sum of its proper divisors (985070982).

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

795321978 is a wasteful number, since it uses less digits than its factorization.

795321978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083.

The product of its digits is 952560, while the sum is 51.

The square root of 795321978 is about 28201.4534731811. The cubic root of 795321978 is about 926.5047737183.

The spelling of 795321978 in words is "seven hundred ninety-five million, three hundred twenty-one thousand, nine hundred seventy-eight".