54877132878 has 16 divisors (see below), whose sum is σ = 109774175616. Its totient is φ = 18289059320.

The previous prime is 54877132859. The next prime is 54877132889. The reversal of 54877132878 is 87823177845.

It is a super-2 number, since 2×54877132878² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 793626 + ... + 859997.

It is an arithmetic number, because the mean of its divisors is an integer number (6860885976).

Almost surely, 2^54877132878 is an apocalyptic number.

54877132878 is an abundant number, since it is smaller than the sum of its proper divisors (54897042738).

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

54877132878 is a wasteful number, since it uses less digits than its factorization.

54877132878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659159.

The product of its digits is 21073920, while the sum is 60.

The spelling of 54877132878 in words is "fifty-four billion, eight hundred seventy-seven million, one hundred thirty-two thousand, eight hundred seventy-eight".