2038863987 has 16 divisors (see below), whose sum is σ = 3023488000. Its totient is φ = 1357915752.

The previous prime is 2038863977. The next prime is 2038863991. The reversal of 2038863987 is 7893688302.

It is not a de Polignac number, because 2038863987 - 2⁴ = 2038863971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2038863977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8287 + ... + 64392.

It is an arithmetic number, because the mean of its divisors is an integer number (188968000).

Almost surely, 2^2038863987 is an apocalyptic number.

2038863987 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2038863987 is a deficient number, since it is larger than the sum of its proper divisors (984624013).

2038863987 is a wasteful number, since it uses less digits than its factorization.

2038863987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73727 (or 73721 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The square root of 2038863987 is about 45153.7815359910. The cubic root of 2038863987 is about 1268.0296781342.

The spelling of 2038863987 in words is "two billion, thirty-eight million, eight hundred sixty-three thousand, nine hundred eighty-seven".