5267275778 has 4 divisors (see below), whose sum is σ = 7900913670. Its totient is φ = 2633637888.

The previous prime is 5267275757. The next prime is 5267275787. The reversal of 5267275778 is 8775727625.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3906625009 + 1360650769 = 62503^2 + 36887^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1316818943 + ... + 1316818946.

Almost surely, 2^5267275778 is an apocalyptic number.

5267275778 is a deficient number, since it is larger than the sum of its proper divisors (2633637892).

5267275778 is a wasteful number, since it uses less digits than its factorization.

5267275778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2633637891.

The product of its digits is 11524800, while the sum is 56.

The square root of 5267275778 is about 72576.0000137787. Note that the first 4 decimals coincide. The cubic root of 5267275778 is about 1739.9176181985.

The spelling of 5267275778 in words is "five billion, two hundred sixty-seven million, two hundred seventy-five thousand, seven hundred seventy-eight".