964127987 has 12 divisors (see below), whose sum is σ = 1025640336. Its totient is φ = 906119040.

The previous prime is 964127977. The next prime is 964128013. The reversal of 964127987 is 789721469.

It is not a de Polignac number, because 964127987 - 2²⁴ = 947350771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (964127977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244562 + ... + 248472.

It is an arithmetic number, because the mean of its divisors is an integer number (85470028).

Almost surely, 2^964127987 is an apocalyptic number.

964127987 is a deficient number, since it is larger than the sum of its proper divisors (61512349).

964127987 is a wasteful number, since it uses less digits than its factorization.

964127987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4798 (or 4781 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 53.

The square root of 964127987 is about 31050.4104159671. The cubic root of 964127987 is about 987.8967650307.

The spelling of 964127987 in words is "nine hundred sixty-four million, one hundred twenty-seven thousand, nine hundred eighty-seven".