45831928387 has 4 divisors (see below), whose sum is σ = 52379346736. Its totient is φ = 39284510040.

The previous prime is 45831928349. The next prime is 45831928399. The reversal of 45831928387 is 78382913854.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45831928387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45831928327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3273709164 + ... + 3273709177.

It is an arithmetic number, because the mean of its divisors is an integer number (13094836684).

Almost surely, 2^45831928387 is an apocalyptic number.

45831928387 is a deficient number, since it is larger than the sum of its proper divisors (6547418349).

45831928387 is an equidigital number, since it uses as much as digits as its factorization.

45831928387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6547418348.

The product of its digits is 11612160, while the sum is 58.

The spelling of 45831928387 in words is "forty-five billion, eight hundred thirty-one million, nine hundred twenty-eight thousand, three hundred eighty-seven".