961855375 has 32 divisors (see below), whose sum is σ = 1296667008. Its totient is φ = 708134400.

The previous prime is 961855361. The next prime is 961855379. The reversal of 961855375 is 573558169.

It is not a de Polignac number, because 961855375 - 2⁹ = 961854863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961855379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 702942 + ... + 704308.

It is an arithmetic number, because the mean of its divisors is an integer number (40520844).

Almost surely, 2^961855375 is an apocalyptic number.

961855375 is a deficient number, since it is larger than the sum of its proper divisors (334811633).

961855375 is a wasteful number, since it uses less digits than its factorization.

961855375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828 (or 1818 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 49.

The square root of 961855375 is about 31013.7933023357. The cubic root of 961855375 is about 987.1199413386.

The spelling of 961855375 in words is "nine hundred sixty-one million, eight hundred fifty-five thousand, three hundred seventy-five".