45877947 has 8 divisors (see below), whose sum is σ = 62593344. Its totient is φ = 29873928.

The previous prime is 45877927. The next prime is 45877957. The reversal of 45877947 is 74977854.

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

It is not a de Polignac number, because 45877947 - 2¹⁵ = 45845179 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45877947.

It is not an unprimeable number, because it can be changed into a prime (45877927) 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, 177693 + ... + 177950.

It is an arithmetic number, because the mean of its divisors is an integer number (7824168).

Almost surely, 2^45877947 is an apocalyptic number.

45877947 is a deficient number, since it is larger than the sum of its proper divisors (16715397).

45877947 is a wasteful number, since it uses less digits than its factorization.

45877947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355689.

The product of its digits is 1975680, while the sum is 51.

The square root of 45877947 is about 6773.3261400880. The cubic root of 45877947 is about 357.9876065953.

The spelling of 45877947 in words is "forty-five million, eight hundred seventy-seven thousand, nine hundred forty-seven".