797392128 has 72 divisors (see below), whose sum is σ = 2285502688. Its totient is φ = 245348352.

The previous prime is 797392117. The next prime is 797392147. The reversal of 797392128 is 821293797.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 29950 + ... + 49917.

Almost surely, 2^797392128 is an apocalyptic number.

797392128 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

797392128 is an abundant number, since it is smaller than the sum of its proper divisors (1488110560).

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

797392128 is a wasteful number, since it uses less digits than its factorization.

797392128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79899 (or 79885 counting only the distinct ones).

The product of its digits is 381024, while the sum is 48.

The square root of 797392128 is about 28238.1325161562. The cubic root of 797392128 is about 927.3079461790.

The spelling of 797392128 in words is "seven hundred ninety-seven million, three hundred ninety-two thousand, one hundred twenty-eight".