835140378 has 8 divisors (see below), whose sum is σ = 1670280768. Its totient is φ = 278380124.

The previous prime is 835140353. The next prime is 835140401. The reversal of 835140378 is 873041538.

It is a sphenic number, since it is the product of 3 distinct primes.

835140378 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69595026 + ... + 69595037.

It is an arithmetic number, because the mean of its divisors is an integer number (208785096).

Almost surely, 2^835140378 is an apocalyptic number.

835140378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

835140378 is a wasteful number, since it uses less digits than its factorization.

835140378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139190068.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 835140378 is about 28898.7954420249. The cubic root of 835140378 is about 941.7157354683.

The spelling of 835140378 in words is "eight hundred thirty-five million, one hundred forty thousand, three hundred seventy-eight".