1914890058887 has 4 divisors (see below), whose sum is σ = 2062189294200. Its totient is φ = 1767590823576.

The previous prime is 1914890058863. The next prime is 1914890058911. The reversal of 1914890058887 is 7888500984191.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1914890058863) and next prime (1914890058911).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1914890058887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1914890058827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73649617637 + ... + 73649617662.

It is an arithmetic number, because the mean of its divisors is an integer number (515547323550).

Almost surely, 2^{1914890058887} is an apocalyptic number.

1914890058887 is a deficient number, since it is larger than the sum of its proper divisors (147299235313).

1914890058887 is a wasteful number, since it uses less digits than its factorization.

1914890058887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147299235312.

The product of its (nonzero) digits is 46448640, while the sum is 68.

The spelling of 1914890058887 in words is "one trillion, nine hundred fourteen billion, eight hundred ninety million, fifty-eight thousand, eight hundred eighty-seven".