45578332778 has 16 divisors (see below), whose sum is σ = 75266975520. Its totient is φ = 20527354800.

The previous prime is 45578332777. The next prime is 45578332867. The reversal of 45578332778 is 87723387554.

45578332778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45578332771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9501008 + ... + 9505803.

It is an arithmetic number, because the mean of its divisors is an integer number (4704185970).

Almost surely, 2^45578332778 is an apocalyptic number.

45578332778 is a deficient number, since it is larger than the sum of its proper divisors (29688642742).

45578332778 is a wasteful number, since it uses less digits than its factorization.

45578332778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19006933.

The product of its digits is 39513600, while the sum is 59.

The spelling of 45578332778 in words is "forty-five billion, five hundred seventy-eight million, three hundred thirty-two thousand, seven hundred seventy-eight".