797161635 has 16 divisors (see below), whose sum is σ = 1417176480. Its totient is φ = 425152800.

The previous prime is 797161627. The next prime is 797161639. The reversal of 797161635 is 536161797.

797161635 is a `hidden beast` number, since 7 + 9 + 7 + 1 + 6 + 1 + 635 = 666.

It is not a de Polignac number, because 797161635 - 2³ = 797161627 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (797161639) 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, 2952316 + ... + 2952585.

It is an arithmetic number, because the mean of its divisors is an integer number (88573530).

Almost surely, 2^797161635 is an apocalyptic number.

797161635 is a deficient number, since it is larger than the sum of its proper divisors (620014845).

797161635 is a wasteful number, since it uses less digits than its factorization.

797161635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5904915 (or 5904909 counting only the distinct ones).

The product of its digits is 238140, while the sum is 45.

The square root of 797161635 is about 28234.0509845824. The cubic root of 797161635 is about 927.2185888100.

The spelling of 797161635 in words is "seven hundred ninety-seven million, one hundred sixty-one thousand, six hundred thirty-five".