5426977878 has 48 divisors (see below), whose sum is σ = 13442457600. Its totient is φ = 1550077488.

The previous prime is 5426977861. The next prime is 5426977879. The reversal of 5426977878 is 8787796245.

5426977878 is a `hidden beast` number, since 542 + 6 + 9 + 7 + 7 + 87 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5426977879) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 638251 + ... + 646697.

It is an arithmetic number, because the mean of its divisors is an integer number (280051200).

Almost surely, 2^5426977878 is an apocalyptic number.

5426977878 is an abundant number, since it is smaller than the sum of its proper divisors (8015479722).

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

5426977878 is a wasteful number, since it uses less digits than its factorization.

5426977878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13561 (or 13558 counting only the distinct ones).

The product of its digits is 47416320, while the sum is 63.

The square root of 5426977878 is about 73668.0248004519. The cubic root of 5426977878 is about 1757.3274129994.

The spelling of 5426977878 in words is "five billion, four hundred twenty-six million, nine hundred seventy-seven thousand, eight hundred seventy-eight".