354157878 has 64 divisors (see below), whose sum is σ = 744007680. Its totient is φ = 112307712.

The previous prime is 354157861. The next prime is 354157879. The reversal of 354157878 is 878751453.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354157879) 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, 2585026 + ... + 2585162.

It is an arithmetic number, because the mean of its divisors is an integer number (11625120).

Almost surely, 2^354157878 is an apocalyptic number.

354157878 is an abundant number, since it is smaller than the sum of its proper divisors (389849802).

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

354157878 is a wasteful number, since it uses less digits than its factorization.

354157878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381.

The product of its digits is 940800, while the sum is 48.

The square root of 354157878 is about 18819.0828150577. The cubic root of 354157878 is about 707.5095433375.

The spelling of 354157878 in words is "three hundred fifty-four million, one hundred fifty-seven thousand, eight hundred seventy-eight".