791320408 has 8 divisors (see below), whose sum is σ = 1483725780. Its totient is φ = 395660200.

The previous prime is 791320399. The next prime is 791320429. The reversal of 791320408 is 804023197.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49457518 + ... + 49457533.

Almost surely, 2^791320408 is an apocalyptic number.

It is an amenable number.

791320408 is a deficient number, since it is larger than the sum of its proper divisors (692405372).

791320408 is a wasteful number, since it uses less digits than its factorization.

791320408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98915057 (or 98915053 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 791320408 is about 28130.4178426130. The cubic root of 791320408 is about 924.9482933844.

The spelling of 791320408 in words is "seven hundred ninety-one million, three hundred twenty thousand, four hundred eight".