797528538 has 16 divisors (see below), whose sum is σ = 1772285760. Its totient is φ = 265842828.

The previous prime is 797528509. The next prime is 797528549. The reversal of 797528538 is 835825797.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 14769047 = 797528538 / (7 + 9 + 7 + 5 + 2 + 8 + 5 + 3 + 8).

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, 7384470 + ... + 7384577.

It is an arithmetic number, because the mean of its divisors is an integer number (110767860).

Almost surely, 2^797528538 is an apocalyptic number.

797528538 is an abundant number, since it is smaller than the sum of its proper divisors (974757222).

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

797528538 is a wasteful number, since it uses less digits than its factorization.

797528538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14769058 (or 14769052 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 54.

The square root of 797528538 is about 28240.5477638094. The cubic root of 797528538 is about 927.3608214040.

The spelling of 797528538 in words is "seven hundred ninety-seven million, five hundred twenty-eight thousand, five hundred thirty-eight".