887107961 has 4 divisors (see below), whose sum is σ = 887181924. Its totient is φ = 887034000.

The previous prime is 887107951. The next prime is 887107979. The reversal of 887107961 is 169701788.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 326886400 + 560221561 = 18080^2 + 23669^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-887107961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (887107951) 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, 14390 + ... + 44511.

It is an arithmetic number, because the mean of its divisors is an integer number (221795481).

Almost surely, 2^887107961 is an apocalyptic number.

It is an amenable number.

887107961 is a deficient number, since it is larger than the sum of its proper divisors (73963).

887107961 is a wasteful number, since it uses less digits than its factorization.

887107961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73962.

The product of its (nonzero) digits is 169344, while the sum is 47.

The square root of 887107961 is about 29784.3576563269. The cubic root of 887107961 is about 960.8571485907.

The spelling of 887107961 in words is "eight hundred eighty-seven million, one hundred seven thousand, nine hundred sixty-one".