964227991247 has 8 divisors (see below), whose sum is σ = 968742393840. Its totient is φ = 959716803520.

The previous prime is 964227991213. The next prime is 964227991253. The reversal of 964227991247 is 742199722469.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 964227991247 - 2⁸ = 964227990991 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 964227991247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (964227991547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201404 + ... + 1403217.

It is an arithmetic number, because the mean of its divisors is an integer number (121092799230).

Almost surely, 2^964227991247 is an apocalyptic number.

964227991247 is a deficient number, since it is larger than the sum of its proper divisors (4514402593).

964227991247 is a wasteful number, since it uses less digits than its factorization.

964227991247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1607433.

The product of its digits is 27433728, while the sum is 62.

The spelling of 964227991247 in words is "nine hundred sixty-four billion, two hundred twenty-seven million, nine hundred ninety-one thousand, two hundred forty-seven".