797578135 has 8 divisors (see below), whose sum is σ = 966961296. Its totient is φ = 631484160.

The previous prime is 797578127. The next prime is 797578141. The reversal of 797578135 is 531875797.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 797578135 - 2³ = 797578127 is a prime.

It is a super-2 number, since 2×797578135² = 1272261762860156450, which contains 22 as substring.

It is a Duffinian number.

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, 821761 + ... + 822730.

It is an arithmetic number, because the mean of its divisors is an integer number (120870162).

Almost surely, 2^797578135 is an apocalyptic number.

797578135 is a deficient number, since it is larger than the sum of its proper divisors (169383161).

797578135 is a wasteful number, since it uses less digits than its factorization.

797578135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644593.

The product of its digits is 1852200, while the sum is 52.

The square root of 797578135 is about 28241.4258669778. The cubic root of 797578135 is about 927.3800446916.

The spelling of 797578135 in words is "seven hundred ninety-seven million, five hundred seventy-eight thousand, one hundred thirty-five".