45473887788 has 96 divisors (see below), whose sum is σ = 126588220416. Its totient is φ = 12422522112.

The previous prime is 45473887787. The next prime is 45473887847. The reversal of 45473887788 is 88778837454.

It is a happy number.

45473887788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-5 number, since 5×45473887788⁵ (a number of 54 digits) contains 55555 as substring.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is not an unprimeable number, because it can be changed into a prime (45473887787) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9141670 + ... + 9146642.

It is an arithmetic number, because the mean of its divisors is an integer number (1318627296).

Almost surely, 2^45473887788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45473887788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63294110208).

45473887788 is an abundant number, since it is smaller than the sum of its proper divisors (81114332628).

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

45473887788 is a wasteful number, since it uses less digits than its factorization.

45473887788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9743 (or 9741 counting only the distinct ones).

The product of its digits is 337182720, while the sum is 69.

The spelling of 45473887788 in words is "forty-five billion, four hundred seventy-three million, eight hundred eighty-seven thousand, seven hundred eighty-eight".