835750878138 has 24 divisors (see below), whose sum is σ = 1975411166976. Its totient is φ = 253257841800.

The previous prime is 835750878107. The next prime is 835750878143. The reversal of 835750878138 is 831878057538.

835750878138 is a `hidden beast` number, since 8 + 3 + 57 + 508 + 78 + 1 + 3 + 8 = 666.

835750878138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2110481818 + ... + 2110482213.

It is an arithmetic number, because the mean of its divisors is an integer number (82308798624).

Almost surely, 2^835750878138 is an apocalyptic number.

835750878138 is an abundant number, since it is smaller than the sum of its proper divisors (1139660288838).

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

835750878138 is a wasteful number, since it uses less digits than its factorization.

835750878138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220964050 (or 4220964047 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 63.

The spelling of 835750878138 in words is "eight hundred thirty-five billion, seven hundred fifty million, eight hundred seventy-eight thousand, one hundred thirty-eight".