798885591 has 16 divisors (see below), whose sum is σ = 1259328000. Its totient is φ = 440764128.

The previous prime is 798885559. The next prime is 798885599. The reversal of 798885591 is 195588897.

It is not a de Polignac number, because 798885591 - 2⁵ = 798885559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798885599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 655291 + ... + 656508.

It is an arithmetic number, because the mean of its divisors is an integer number (78708000).

Almost surely, 2^798885591 is an apocalyptic number.

798885591 is a deficient number, since it is larger than the sum of its proper divisors (460442409).

798885591 is a wasteful number, since it uses less digits than its factorization.

798885591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311838.

The product of its digits is 7257600, while the sum is 60.

The square root of 798885591 is about 28264.5642280223. The cubic root of 798885591 is about 927.8865140497.

The spelling of 798885591 in words is "seven hundred ninety-eight million, eight hundred eighty-five thousand, five hundred ninety-one".