255378035870 has 32 divisors (see below), whose sum is σ = 470630172672. Its totient is φ = 99720567072.

The previous prime is 255378035833. The next prime is 255378035879. The reversal of 255378035870 is 78530873552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255378035879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 620999 + ... + 946781.

It is an arithmetic number, because the mean of its divisors is an integer number (14707192896).

Almost surely, 2^255378035870 is an apocalyptic number.

255378035870 is a deficient number, since it is larger than the sum of its proper divisors (215252136802).

255378035870 is a wasteful number, since it uses less digits than its factorization.

255378035870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327656.

The product of its (nonzero) digits is 7056000, while the sum is 53.

The spelling of 255378035870 in words is "two hundred fifty-five billion, three hundred seventy-eight million, thirty-five thousand, eight hundred seventy".