7797862953 has 14 divisors (see below), whose sum is σ = 11691447194. Its totient is φ = 5198574816.

The previous prime is 7797862927. The next prime is 7797862973. The reversal of 7797862953 is 3592687977.

It can be written as a sum of positive squares in only one way, i.e., 5537145744 + 2260717209 = 74412^2 + 47547^2 .

It is not a de Polignac number, because 7797862953 - 2¹² = 7797858857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7797862973) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 5347600 + ... + 5349057.

It is an arithmetic number, because the mean of its divisors is an integer number (835103371).

Almost surely, 2^7797862953 is an apocalyptic number.

It is an amenable number.

7797862953 is a deficient number, since it is larger than the sum of its proper divisors (3893584241).

7797862953 is an equidigital number, since it uses as much as digits as its factorization.

7797862953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10696675 (or 10696660 counting only the distinct ones).

The product of its digits is 40007520, while the sum is 63.

The square root of 7797862953 is about 88305.5091882721. The cubic root of 7797862953 is about 1983.0113475242.

The spelling of 7797862953 in words is "seven billion, seven hundred ninety-seven million, eight hundred sixty-two thousand, nine hundred fifty-three".