791247928 has 8 divisors (see below), whose sum is σ = 1483589880. Its totient is φ = 395623960.

The previous prime is 791247917. The next prime is 791247929. The reversal of 791247928 is 829742197.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791247929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49452988 + ... + 49453003.

It is an arithmetic number, because the mean of its divisors is an integer number (185448735).

Almost surely, 2^791247928 is an apocalyptic number.

It is an amenable number.

791247928 is a deficient number, since it is larger than the sum of its proper divisors (692341952).

791247928 is a wasteful number, since it uses less digits than its factorization.

791247928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98905997 (or 98905993 counting only the distinct ones).

The product of its digits is 508032, while the sum is 49.

The square root of 791247928 is about 28129.1295279466. The cubic root of 791247928 is about 924.9200526959.

The spelling of 791247928 in words is "seven hundred ninety-one million, two hundred forty-seven thousand, nine hundred twenty-eight".