10642887 has 32 divisors (see below), whose sum is σ = 16473600. Its totient is φ = 6785856.

The previous prime is 10642861. The next prime is 10642927. The reversal of 10642887 is 78824601.

10642887 is a `hidden beast` number, since 1 + 0 + 642 + 8 + 8 + 7 = 666.

10642887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10642887 - 2⁶ = 10642823 is a prime.

It is a super-2 number, since 2×10642887² = 226542087389538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10642987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103278 + ... + 103380.

It is an arithmetic number, because the mean of its divisors is an integer number (514800).

Almost surely, 2^10642887 is an apocalyptic number.

10642887 is a deficient number, since it is larger than the sum of its proper divisors (5830713).

10642887 is a wasteful number, since it uses less digits than its factorization.

10642887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 10642887 is about 3262.3437893637. The cubic root of 10642887 is about 219.9647808636.

The spelling of 10642887 in words is "ten million, six hundred forty-two thousand, eight hundred eighty-seven".