1987876748 has 96 divisors (see below), whose sum is σ = 4347060480. Its totient is φ = 781920000.

The previous prime is 1987876739. The next prime is 1987876757. The reversal of 1987876748 is 8476787891.

It is an interprime number because it is at equal distance from previous prime (1987876739) and next prime (1987876757).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1096763 + ... + 1098573.

It is an arithmetic number, because the mean of its divisors is an integer number (45281880).

Almost surely, 2^1987876748 is an apocalyptic number.

It is an amenable number.

1987876748 is an abundant number, since it is smaller than the sum of its proper divisors (2359183732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1987876748 is a wasteful number, since it uses less digits than its factorization.

1987876748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959 (or 1957 counting only the distinct ones).

The product of its digits is 37933056, while the sum is 65.

The square root of 1987876748 is about 44585.6114458465. The cubic root of 1987876748 is about 1257.3701653636.

The spelling of 1987876748 in words is "one billion, nine hundred eighty-seven million, eight hundred seventy-six thousand, seven hundred forty-eight".