755872639878 has 16 divisors (see below), whose sum is σ = 1525123557936. Its totient is φ = 249727833600.

The previous prime is 755872639831. The next prime is 755872639891. The reversal of 755872639878 is 878936278557.

It is a super-2 number, since 2×755872639878² (a number of 25 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 (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557427523 + ... + 557428878.

It is an arithmetic number, because the mean of its divisors is an integer number (95320222371).

Almost surely, 2^755872639878 is an apocalyptic number.

755872639878 is an abundant number, since it is smaller than the sum of its proper divisors (769250918058).

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

755872639878 is a wasteful number, since it uses less digits than its factorization.

755872639878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114856519.

The product of its digits is 1422489600, while the sum is 75.

The spelling of 755872639878 in words is "seven hundred fifty-five billion, eight hundred seventy-two million, six hundred thirty-nine thousand, eight hundred seventy-eight".