1987850750 has 16 divisors (see below), whose sum is σ = 3721257072. Its totient is φ = 795140200.

The previous prime is 1987850743. The next prime is 1987850773. The reversal of 1987850750 is 570587891.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3975452 + ... + 3975951.

It is an arithmetic number, because the mean of its divisors is an integer number (232578567).

Almost surely, 2^1987850750 is an apocalyptic number.

1987850750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1987850750 is a deficient number, since it is larger than the sum of its proper divisors (1733406322).

1987850750 is an equidigital number, since it uses as much as digits as its factorization.

1987850750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7951420 (or 7951410 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 50.

The square root of 1987850750 is about 44585.3198934358. The cubic root of 1987850750 is about 1257.3646839285.

The spelling of 1987850750 in words is "one billion, nine hundred eighty-seven million, eight hundred fifty thousand, seven hundred fifty".