2167388487 has 12 divisors (see below), whose sum is σ = 3415278984. Its totient is φ = 1313568720.

The previous prime is 2167388471. The next prime is 2167388491. The reversal of 2167388487 is 7848837612.

It is a happy number.

2167388487 is a `hidden beast` number, since 2 + 16 + 73 + 88 + 487 = 666.

2167388487 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2167388487 - 2⁴ = 2167388471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2167388407) 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, 10946308 + ... + 10946505.

It is an arithmetic number, because the mean of its divisors is an integer number (284606582).

Almost surely, 2^2167388487 is an apocalyptic number.

2167388487 is a deficient number, since it is larger than the sum of its proper divisors (1247890497).

2167388487 is a wasteful number, since it uses less digits than its factorization.

2167388487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21892830 (or 21892827 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 54.

The square root of 2167388487 is about 46555.2197610536. The cubic root of 2167388487 is about 1294.1330267428.

The spelling of 2167388487 in words is "two billion, one hundred sixty-seven million, three hundred eighty-eight thousand, four hundred eighty-seven".