45777788 has 24 divisors (see below), whose sum is σ = 91736064. Its totient is φ = 19580400.

The previous prime is 45777763. The next prime is 45777791. The reversal of 45777788 is 88777754.

It is a happy number.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16373 + ... + 18963.

It is an arithmetic number, because the mean of its divisors is an integer number (3822336).

Almost surely, 2^45777788 is an apocalyptic number.

It is an amenable number.

45777788 is an abundant number, since it is smaller than the sum of its proper divisors (45958276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45777788 is a wasteful number, since it uses less digits than its factorization.

45777788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3233 (or 3231 counting only the distinct ones).

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

The square root of 45777788 is about 6765.9284654806. The cubic root of 45777788 is about 357.7269017785.

The spelling of 45777788 in words is "forty-five million, seven hundred seventy-seven thousand, seven hundred eighty-eight".