961518878 has 32 divisors (see below), whose sum is σ = 1587962880. Its totient is φ = 434666880.

The previous prime is 961518871. The next prime is 961518893. The reversal of 961518878 is 878815169.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961518871) 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, 143225 + ... + 149787.

It is an arithmetic number, because the mean of its divisors is an integer number (49623840).

Almost surely, 2^961518878 is an apocalyptic number.

961518878 is a deficient number, since it is larger than the sum of its proper divisors (626444002).

961518878 is a wasteful number, since it uses less digits than its factorization.

961518878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6752.

The product of its digits is 967680, while the sum is 53.

The square root of 961518878 is about 31008.3678706249. The cubic root of 961518878 is about 987.0048160471.

The spelling of 961518878 in words is "nine hundred sixty-one million, five hundred eighteen thousand, eight hundred seventy-eight".