797152898 has 4 divisors (see below), whose sum is σ = 1195729350. Its totient is φ = 398576448.

The previous prime is 797152871. The next prime is 797152921. The reversal of 797152898 is 898251797.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 898251797 = 17 ⋅52838341.

It can be written as a sum of positive squares in only one way, i.e., 591316489 + 205836409 = 24317^2 + 14347^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199288223 + ... + 199288226.

Almost surely, 2^797152898 is an apocalyptic number.

797152898 is a deficient number, since it is larger than the sum of its proper divisors (398576452).

797152898 is a wasteful number, since it uses less digits than its factorization.

797152898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398576451.

The product of its digits is 2540160, while the sum is 56.

The square root of 797152898 is about 28233.8962596380. The cubic root of 797152898 is about 927.2152013169.

The spelling of 797152898 in words is "seven hundred ninety-seven million, one hundred fifty-two thousand, eight hundred ninety-eight".