1487875890 has 32 divisors (see below), whose sum is σ = 3638281536. Its totient is φ = 389280320.

The previous prime is 1487875889. The next prime is 1487875927. The reversal of 1487875890 is 985787841.

It is a self number, because there is not a number n which added to its sum of digits gives 1487875890.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 466296 + ... + 469475.

It is an arithmetic number, because the mean of its divisors is an integer number (113696298).

Almost surely, 2^1487875890 is an apocalyptic number.

1487875890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1487875890 is an abundant number, since it is smaller than the sum of its proper divisors (2150405646).

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

1487875890 is a wasteful number, since it uses less digits than its factorization.

1487875890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935834.

The product of its (nonzero) digits is 4515840, while the sum is 57.

The square root of 1487875890 is about 38572.9943094907. The cubic root of 1487875890 is about 1141.6217530652.

The spelling of 1487875890 in words is "one billion, four hundred eighty-seven million, eight hundred seventy-five thousand, eight hundred ninety".