45891687 has 16 divisors (see below), whose sum is σ = 66880512. Its totient is φ = 27864960.

The previous prime is 45891683. The next prime is 45891691. The reversal of 45891687 is 78619854.

It is an interprime number because it is at equal distance from previous prime (45891683) and next prime (45891691).

It is not a de Polignac number, because 45891687 - 2² = 45891683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45891683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12933 + ... + 16094.

It is an arithmetic number, because the mean of its divisors is an integer number (4180032).

Almost surely, 2^45891687 is an apocalyptic number.

45891687 is a deficient number, since it is larger than the sum of its proper divisors (20988825).

45891687 is a wasteful number, since it uses less digits than its factorization.

45891687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29078.

The product of its digits is 483840, while the sum is 48.

The square root of 45891687 is about 6774.3403368889. The cubic root of 45891687 is about 358.0233409664.

The spelling of 45891687 in words is "forty-five million, eight hundred ninety-one thousand, six hundred eighty-seven".