5277136478 has 4 divisors (see below), whose sum is σ = 7915704720. Its totient is φ = 2638568238.

The previous prime is 5277136471. The next prime is 5277136523. The reversal of 5277136478 is 8746317725.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5277136471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1319284118 + ... + 1319284121.

It is an arithmetic number, because the mean of its divisors is an integer number (1978926180).

Almost surely, 2^5277136478 is an apocalyptic number.

5277136478 is a deficient number, since it is larger than the sum of its proper divisors (2638568242).

5277136478 is a wasteful number, since it uses less digits than its factorization.

5277136478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638568241.

The product of its digits is 1975680, while the sum is 50.

The square root of 5277136478 is about 72643.9018638179. The cubic root of 5277136478 is about 1741.0026895753.

The spelling of 5277136478 in words is "five billion, two hundred seventy-seven million, one hundred thirty-six thousand, four hundred seventy-eight".