351877818 has 16 divisors (see below), whose sum is σ = 703969056. Its totient is φ = 117257040.

The previous prime is 351877811. The next prime is 351877831. The reversal of 351877818 is 818778153.

It is a happy number.

351877818 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×351877818² = 247635997600882248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (351877811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19533 + ... + 32943.

It is an arithmetic number, because the mean of its divisors is an integer number (43998066).

Almost surely, 2^351877818 is an apocalyptic number.

351877818 is an abundant number, since it is smaller than the sum of its proper divisors (352091238).

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

351877818 is a wasteful number, since it uses less digits than its factorization.

351877818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17789.

The product of its digits is 376320, while the sum is 48.

The square root of 351877818 is about 18758.4065954441. The cubic root of 351877818 is about 705.9879634785.

The spelling of 351877818 in words is "three hundred fifty-one million, eight hundred seventy-seven thousand, eight hundred eighteen".