964764378 has 16 divisors (see below), whose sum is σ = 2143920960. Its totient is φ = 321588108.

The previous prime is 964764377. The next prime is 964764391. The reversal of 964764378 is 873467469.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 17866007 = 964764378 / (9 + 6 + 4 + 7 + 6 + 4 + 3 + 7 + 8).

It is not an unprimeable number, because it can be changed into a prime (964764377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8932950 + ... + 8933057.

It is an arithmetic number, because the mean of its divisors is an integer number (133995060).

Almost surely, 2^964764378 is an apocalyptic number.

964764378 is an abundant number, since it is smaller than the sum of its proper divisors (1179156582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

964764378 is a wasteful number, since it uses less digits than its factorization.

964764378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17866018 (or 17866012 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 54.

The square root of 964764378 is about 31060.6564322134. The cubic root of 964764378 is about 988.1140772352.

The spelling of 964764378 in words is "nine hundred sixty-four million, seven hundred sixty-four thousand, three hundred seventy-eight".