799497961 has 8 divisors (see below), whose sum is σ = 821620800. Its totient is φ = 777402288.

The previous prime is 799497953. The next prime is 799497977. The reversal of 799497961 is 169794997.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 799497961 - 2³ = 799497953 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 799497961.

It is not an unprimeable number, because it can be changed into a prime (799497911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62490 + ... + 74188.

It is an arithmetic number, because the mean of its divisors is an integer number (102702600).

Almost surely, 2^799497961 is an apocalyptic number.

It is an amenable number.

799497961 is a deficient number, since it is larger than the sum of its proper divisors (22122839).

799497961 is a wasteful number, since it uses less digits than its factorization.

799497961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13583.

The product of its digits is 7715736, while the sum is 61.

The square root of 799497961 is about 28275.3949751370. The cubic root of 799497961 is about 928.1235378695.

The spelling of 799497961 in words is "seven hundred ninety-nine million, four hundred ninety-seven thousand, nine hundred sixty-one".