45857459887 has 2 divisors, whose sum is σ = 45857459888. Its totient is φ = 45857459886.

The previous prime is 45857459881. The next prime is 45857459891. The reversal of 45857459887 is 78895475854.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45857459887 - 2¹¹ = 45857457839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45857459881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22928729943 + 22928729944.

It is an arithmetic number, because the mean of its divisors is an integer number (22928729944).

Almost surely, 2^45857459887 is an apocalyptic number.

45857459887 is a deficient number, since it is larger than the sum of its proper divisors (1).

45857459887 is an equidigital number, since it uses as much as digits as its factorization.

45857459887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584000, while the sum is 70.

The spelling of 45857459887 in words is "forty-five billion, eight hundred fifty-seven million, four hundred fifty-nine thousand, eight hundred eighty-seven".