1868980888 has 16 divisors (see below), whose sum is σ = 3506715000. Its totient is φ = 933856896.

The previous prime is 1868980871. The next prime is 1868980903. The reversal of 1868980888 is 8880898681.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66538 + ... + 90361.

Almost surely, 2^1868980888 is an apocalyptic number.

It is an amenable number.

1868980888 is a deficient number, since it is larger than the sum of its proper divisors (1637734112).

1868980888 is a wasteful number, since it uses less digits than its factorization.

1868980888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158394 (or 158390 counting only the distinct ones).

The product of its (nonzero) digits is 14155776, while the sum is 64.

The square root of 1868980888 is about 43231.7116015547. The cubic root of 1868980888 is about 1231.7851198718.

The spelling of 1868980888 in words is "one billion, eight hundred sixty-eight million, nine hundred eighty thousand, eight hundred eighty-eight".