45388661678 has 8 divisors (see below), whose sum is σ = 68085446160. Its totient is φ = 22693512960.

The previous prime is 45388661663. The next prime is 45388661693. The reversal of 45388661678 is 87616688354.

It is an interprime number because it is at equal distance from previous prime (45388661663) and next prime (45388661693).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 45388661678.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337043 + ... + 452078.

It is an arithmetic number, because the mean of its divisors is an integer number (8510680770).

Almost surely, 2^45388661678 is an apocalyptic number.

45388661678 is a deficient number, since it is larger than the sum of its proper divisors (22696784482).

45388661678 is a wasteful number, since it uses less digits than its factorization.

45388661678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817882.

The product of its digits is 46448640, while the sum is 62.

The spelling of 45388661678 in words is "forty-five billion, three hundred eighty-eight million, six hundred sixty-one thousand, six hundred seventy-eight".