964478773 has 4 divisors (see below), whose sum is σ = 969325600. Its totient is φ = 959631948.

The previous prime is 964478743. The next prime is 964478783. The reversal of 964478773 is 377874469.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 964478773 - 2²¹ = 962381621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (964478743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2423115 + ... + 2423512.

It is an arithmetic number, because the mean of its divisors is an integer number (242331400).

Almost surely, 2^964478773 is an apocalyptic number.

It is an amenable number.

964478773 is a deficient number, since it is larger than the sum of its proper divisors (4846827).

964478773 is a wasteful number, since it uses less digits than its factorization.

964478773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4846826.

The product of its digits is 7112448, while the sum is 55.

The square root of 964478773 is about 31056.0585554574. The cubic root of 964478773 is about 988.0165618280.

The spelling of 964478773 in words is "nine hundred sixty-four million, four hundred seventy-eight thousand, seven hundred seventy-three".