797760028 has 24 divisors (see below), whose sum is σ = 1531843488. Its totient is φ = 361248576.

The previous prime is 797760023. The next prime is 797760053. The reversal of 797760028 is 820067797.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 797760028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797760023) 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, 141976 + ... + 147487.

It is an arithmetic number, because the mean of its divisors is an integer number (63826812).

Almost surely, 2^797760028 is an apocalyptic number.

It is an amenable number.

797760028 is a deficient number, since it is larger than the sum of its proper divisors (734083460).

797760028 is a wasteful number, since it uses less digits than its factorization.

797760028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289533 (or 289531 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 46.

The square root of 797760028 is about 28244.6460059247. The cubic root of 797760028 is about 927.4505377294.

The spelling of 797760028 in words is "seven hundred ninety-seven million, seven hundred sixty thousand, twenty-eight".