45307758787 has 4 divisors (see below), whose sum is σ = 46361427640. Its totient is φ = 44254089936.

The previous prime is 45307758779. The next prime is 45307758823. The reversal of 45307758787 is 78785770354.

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

It is a cyclic number.

It is not a de Polignac number, because 45307758787 - 2³ = 45307758779 is a prime.

It is a super-2 number, since 2×45307758787² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45307758757) 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, 526834362 + ... + 526834447.

It is an arithmetic number, because the mean of its divisors is an integer number (11590356910).

Almost surely, 2^45307758787 is an apocalyptic number.

45307758787 is a deficient number, since it is larger than the sum of its proper divisors (1053668853).

45307758787 is a wasteful number, since it uses less digits than its factorization.

45307758787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053668852.

The product of its (nonzero) digits is 46099200, while the sum is 61.

The spelling of 45307758787 in words is "forty-five billion, three hundred seven million, seven hundred fifty-eight thousand, seven hundred eighty-seven".