5277752778 has 32 divisors (see below), whose sum is σ = 11221093440. Its totient is φ = 1650153600.

The previous prime is 5277752761. The next prime is 5277752803. The reversal of 5277752778 is 8772577725.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217675 + ... + 240702.

It is an arithmetic number, because the mean of its divisors is an integer number (350659170).

Almost surely, 2^5277752778 is an apocalyptic number.

5277752778 is an abundant number, since it is smaller than the sum of its proper divisors (5943340662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5277752778 is a wasteful number, since it uses less digits than its factorization.

5277752778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458502.

The product of its digits is 13445600, while the sum is 57.

The square root of 5277752778 is about 72648.1436652032. The cubic root of 5277752778 is about 1741.0704623277.

The spelling of 5277752778 in words is "five billion, two hundred seventy-seven million, seven hundred fifty-two thousand, seven hundred seventy-eight".