961826087 has 4 divisors (see below), whose sum is σ = 961904760. Its totient is φ = 961747416.

The previous prime is 961826081. The next prime is 961826123. The reversal of 961826087 is 780628169.

961826087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 961826087 - 2⁶ = 961826023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961826081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16628 + ... + 46905.

It is an arithmetic number, because the mean of its divisors is an integer number (240476190).

Almost surely, 2^961826087 is an apocalyptic number.

961826087 is a deficient number, since it is larger than the sum of its proper divisors (78673).

961826087 is a wasteful number, since it uses less digits than its factorization.

961826087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78672.

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 961826087 is about 31013.3211217373. The cubic root of 961826087 is about 987.1099221392.

The spelling of 961826087 in words is "nine hundred sixty-one million, eight hundred twenty-six thousand, eighty-seven".