7797420052 has 6 divisors (see below), whose sum is σ = 13645485098. Its totient is φ = 3898710024.

The previous prime is 7797420041. The next prime is 7797420061. The reversal of 7797420052 is 2500247977.

It can be written as a sum of positive squares in only one way, i.e., 4816915216 + 2980504836 = 69404^2 + 54594^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7797419990 and 7797420008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 974677503 + ... + 974677510.

Almost surely, 2^7797420052 is an apocalyptic number.

It is an amenable number.

7797420052 is a deficient number, since it is larger than the sum of its proper divisors (5848065046).

7797420052 is a wasteful number, since it uses less digits than its factorization.

7797420052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949355017 (or 1949355015 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 43.

The square root of 7797420052 is about 88303.0013759442. The cubic root of 7797420052 is about 1982.9738032918.

The spelling of 7797420052 in words is "seven billion, seven hundred ninety-seven million, four hundred twenty thousand, fifty-two".