964887761 has 4 divisors (see below), whose sum is σ = 966652272. Its totient is φ = 963123252.

The previous prime is 964887733. The next prime is 964887787. The reversal of 964887761 is 167788469.

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 964887761 - 2¹⁴ = 964871377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 964887697 and 964887706.

It is not an unprimeable number, because it can be changed into a prime (964887701) 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, 881435 + ... + 882528.

It is an arithmetic number, because the mean of its divisors is an integer number (241663068).

Almost surely, 2^964887761 is an apocalyptic number.

It is an amenable number.

964887761 is a deficient number, since it is larger than the sum of its proper divisors (1764511).

964887761 is a wasteful number, since it uses less digits than its factorization.

964887761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1764510.

The product of its digits is 4064256, while the sum is 56.

The square root of 964887761 is about 31062.6425308601. The cubic root of 964887761 is about 988.1561984982.

The spelling of 964887761 in words is "nine hundred sixty-four million, eight hundred eighty-seven thousand, seven hundred sixty-one".