247790795 has 12 divisors (see below), whose sum is σ = 345896064. Its totient is φ = 169913520.

The previous prime is 247790791. The next prime is 247790797. The reversal of 247790795 is 597097742.

It is not a de Polignac number, because 247790795 - 2² = 247790791 is a prime.

It is a super-2 number, since 2×247790795² = 122800556173464050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (247790791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 505451 + ... + 505940.

It is an arithmetic number, because the mean of its divisors is an integer number (28824672).

Almost surely, 2^247790795 is an apocalyptic number.

247790795 is a deficient number, since it is larger than the sum of its proper divisors (98105269).

247790795 is a wasteful number, since it uses less digits than its factorization.

247790795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011410 (or 1011403 counting only the distinct ones).

The product of its (nonzero) digits is 1111320, while the sum is 50.

The square root of 247790795 is about 15741.3720812387. The cubic root of 247790795 is about 628.0994161176.

The spelling of 247790795 in words is "two hundred forty-seven million, seven hundred ninety thousand, seven hundred ninety-five".