2646112887 has 32 divisors (see below), whose sum is σ = 4376021760. Its totient is φ = 1566401760.

The previous prime is 2646112867. The next prime is 2646112891. The reversal of 2646112887 is 7882116462.

2646112887 is a `hidden beast` number, since 2 + 6 + 4 + 611 + 28 + 8 + 7 = 666.

It is not a de Polignac number, because 2646112887 - 2¹² = 2646108791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2646112867) 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, 90828 + ... + 116369.

It is an arithmetic number, because the mean of its divisors is an integer number (136750680).

Almost surely, 2^2646112887 is an apocalyptic number.

2646112887 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2646112887 is a deficient number, since it is larger than the sum of its proper divisors (1729908873).

2646112887 is a wasteful number, since it uses less digits than its factorization.

2646112887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207260 (or 207254 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 2646112887 is about 51440.3818706666. The cubic root of 2646112887 is about 1383.1505569645.

The spelling of 2646112887 in words is "two billion, six hundred forty-six million, one hundred twelve thousand, eight hundred eighty-seven".