855474126078 has 64 divisors (see below), whose sum is σ = 2013909472512. Its totient is φ = 238835796480.

The previous prime is 855474126077. The next prime is 855474126151. The reversal of 855474126078 is 870621474558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855474126077) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 504475 + ... + 1401942.

It is an arithmetic number, because the mean of its divisors is an integer number (31467335508).

Almost surely, 2^855474126078 is an apocalyptic number.

855474126078 is an abundant number, since it is smaller than the sum of its proper divisors (1158435346434).

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

855474126078 is a wasteful number, since it uses less digits than its factorization.

855474126078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906969.

The product of its (nonzero) digits is 15052800, while the sum is 57.

The spelling of 855474126078 in words is "eight hundred fifty-five billion, four hundred seventy-four million, one hundred twenty-six thousand, seventy-eight".