964786641 has 16 divisors (see below), whose sum is σ = 1583240064. Its totient is φ = 508898304.

The previous prime is 964786633. The next prime is 964786651. The reversal of 964786641 is 146687469.

964786641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 964786641 - 2³ = 964786633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (964786651) 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, 1766736 + ... + 1767281.

It is an arithmetic number, because the mean of its divisors is an integer number (98952504).

Almost surely, 2^964786641 is an apocalyptic number.

964786641 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

964786641 is a deficient number, since it is larger than the sum of its proper divisors (618453423).

964786641 is a wasteful number, since it uses less digits than its factorization.

964786641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534040.

The product of its digits is 1741824, while the sum is 51.

The square root of 964786641 is about 31061.0148095647. The cubic root of 964786641 is about 988.1216777835.

The spelling of 964786641 in words is "nine hundred sixty-four million, seven hundred eighty-six thousand, six hundred forty-one".