964974550 has 24 divisors (see below), whose sum is σ = 1797246576. Its totient is φ = 385475040.

The previous prime is 964974547. The next prime is 964974581. The reversal of 964974550 is 55479469.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 964974494 and 964974503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26167 + ... + 51133.

It is an arithmetic number, because the mean of its divisors is an integer number (74885274).

Almost surely, 2^964974550 is an apocalyptic number.

964974550 is a deficient number, since it is larger than the sum of its proper divisors (832272026).

964974550 is a wasteful number, since it uses less digits than its factorization.

964974550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25752 (or 25747 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 49.

The square root of 964974550 is about 31064.0394990735. The cubic root of 964974550 is about 988.1858249206.

The spelling of 964974550 in words is "nine hundred sixty-four million, nine hundred seventy-four thousand, five hundred fifty".