961767653 has 24 divisors (see below), whose sum is σ = 1247178240. Its totient is φ = 725234400.

The previous prime is 961767649. The next prime is 961767691. The reversal of 961767653 is 356767169.

It is not a de Polignac number, because 961767653 - 2² = 961767649 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961767643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7943 + ... + 44571.

It is an arithmetic number, because the mean of its divisors is an integer number (51965760).

Almost surely, 2^961767653 is an apocalyptic number.

It is an amenable number.

961767653 is a deficient number, since it is larger than the sum of its proper divisors (285410587).

961767653 is a wasteful number, since it uses less digits than its factorization.

961767653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36689 (or 36678 counting only the distinct ones).

The product of its digits is 1428840, while the sum is 50.

The square root of 961767653 is about 31012.3790283816. The cubic root of 961767653 is about 987.0899317098.

The spelling of 961767653 in words is "nine hundred sixty-one million, seven hundred sixty-seven thousand, six hundred fifty-three".