961854907 has 4 divisors (see below), whose sum is σ = 1035843760. Its totient is φ = 887866056.

The previous prime is 961854877. The next prime is 961854931. The reversal of 961854907 is 709458169.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 709458169 = 7 ⋅101351167.

It is a cyclic number.

It is not a de Polignac number, because 961854907 - 2¹⁹ = 961330619 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (961854967) 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 3 ways as a sum of consecutive naturals, for example, 36994407 + ... + 36994432.

It is an arithmetic number, because the mean of its divisors is an integer number (258960940).

Almost surely, 2^961854907 is an apocalyptic number.

961854907 is a deficient number, since it is larger than the sum of its proper divisors (73988853).

961854907 is a wasteful number, since it uses less digits than its factorization.

961854907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73988852.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 961854907 is about 31013.7857573048. The cubic root of 961854907 is about 987.1197812410.

The spelling of 961854907 in words is "nine hundred sixty-one million, eight hundred fifty-four thousand, nine hundred seven".