45543705687 has 24 divisors (see below), whose sum is σ = 69865595280. Its totient is φ = 28490077440.

The previous prime is 45543705673. The next prime is 45543705703. The reversal of 45543705687 is 78650734554.

45543705687 is a `hidden beast` number, since 4 + 5 + 5 + 4 + 3 + 70 + 568 + 7 = 666.

It is not a de Polignac number, because 45543705687 - 2⁴ = 45543705671 is a prime.

It is a super-2 number, since 2×45543705687² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45543705607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 399012 + ... + 500297.

It is an arithmetic number, because the mean of its divisors is an integer number (2911066470).

Almost surely, 2^45543705687 is an apocalyptic number.

45543705687 is a deficient number, since it is larger than the sum of its proper divisors (24321889593).

45543705687 is a wasteful number, since it uses less digits than its factorization.

45543705687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899663 (or 899660 counting only the distinct ones).

The product of its (nonzero) digits is 14112000, while the sum is 54.

The spelling of 45543705687 in words is "forty-five billion, five hundred forty-three million, seven hundred five thousand, six hundred eighty-seven".