45777887 has 2 divisors, whose sum is σ = 45777888. Its totient is φ = 45777886.

The previous prime is 45777881. The next prime is 45777911. The reversal of 45777887 is 78877754.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45777887 - 2⁴ = 45777871 is a prime.

It is a super-2 number, since 2×45777887² = 4191229876369538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45777881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22888943 + 22888944.

It is an arithmetic number, because the mean of its divisors is an integer number (22888944).

Almost surely, 2^45777887 is an apocalyptic number.

45777887 is a deficient number, since it is larger than the sum of its proper divisors (1).

45777887 is an equidigital number, since it uses as much as digits as its factorization.

45777887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3073280, while the sum is 53.

The square root of 45777887 is about 6765.9357815457. The cubic root of 45777887 is about 357.7271596542.

It can be divided in two parts, 45777 and 887, that added together give a palindrome (46664).

The spelling of 45777887 in words is "forty-five million, seven hundred seventy-seven thousand, eight hundred eighty-seven".