799377940 has 24 divisors (see below), whose sum is σ = 1685236392. Its totient is φ = 318504960.

The previous prime is 799377923. The next prime is 799377967. The reversal of 799377940 is 49773997.

It can be written as a sum of positive squares in 4 ways, for example, as 273042576 + 526335364 = 16524^2 + 22942^2 .

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, 72621 + ... + 82900.

It is an arithmetic number, because the mean of its divisors is an integer number (70218183).

Almost surely, 2^799377940 is an apocalyptic number.

It is an amenable number.

799377940 is an abundant number, since it is smaller than the sum of its proper divisors (885858452).

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

799377940 is a wasteful number, since it uses less digits than its factorization.

799377940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155787 (or 155785 counting only the distinct ones).

The product of its (nonzero) digits is 3000564, while the sum is 55.

The square root of 799377940 is about 28273.2725378581. The cubic root of 799377940 is about 928.0770921018.

The spelling of 799377940 in words is "seven hundred ninety-nine million, three hundred seventy-seven thousand, nine hundred forty".