45977687 has 8 divisors (see below), whose sum is σ = 53827872. Its totient is φ = 38448000.

The previous prime is 45977677. The next prime is 45977689. The reversal of 45977687 is 78677954.

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

It is a cyclic number.

It is not a de Polignac number, because 45977687 - 2⁴ = 45977671 is a prime.

It is a super-2 number, since 2×45977687² = 4227895403739938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45977689) 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, 79814 + ... + 80387.

It is an arithmetic number, because the mean of its divisors is an integer number (6728484).

Almost surely, 2^45977687 is an apocalyptic number.

45977687 is a deficient number, since it is larger than the sum of its proper divisors (7850185).

45977687 is a wasteful number, since it uses less digits than its factorization.

45977687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160249.

The product of its digits is 2963520, while the sum is 53.

The square root of 45977687 is about 6780.6848474177. The cubic root of 45977687 is about 358.2468440020.

It can be divided in two parts, 45977 and 687, that added together give a palindrome (46664).

The spelling of 45977687 in words is "forty-five million, nine hundred seventy-seven thousand, six hundred eighty-seven".