1904880087 has 24 divisors (see below), whose sum is σ = 3043916928. Its totient is φ = 1138208400.

The previous prime is 1904880059. The next prime is 1904880113. The reversal of 1904880087 is 7800884091.

1904880087 is a `hidden beast` number, since 1 + 90 + 488 + 0 + 0 + 87 = 666.

It is not a de Polignac number, because 1904880087 - 2¹⁶ = 1904814551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1904880037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128473 + ... + 142530.

It is an arithmetic number, because the mean of its divisors is an integer number (126829872).

Almost surely, 2^1904880087 is an apocalyptic number.

1904880087 is a deficient number, since it is larger than the sum of its proper divisors (1139036841).

1904880087 is a wasteful number, since it uses less digits than its factorization.

1904880087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271091 (or 271088 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 1904880087 is about 43644.9319738272. The cubic root of 1904880087 is about 1239.6218251461.

The spelling of 1904880087 in words is "one billion, nine hundred four million, eight hundred eighty thousand, eighty-seven".