44847987 has 8 divisors (see below), whose sum is σ = 59875536. Its totient is φ = 29859552.

The previous prime is 44847977. The next prime is 44848003. The reversal of 44847987 is 78974844.

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

It is not a de Polignac number, because 44847987 - 2¹¹ = 44845939 is a prime.

It is a super-2 number, since 2×44847987² = 4022683875904338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44847937) 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, 6988 + ... + 11769.

It is an arithmetic number, because the mean of its divisors is an integer number (7484442).

Almost surely, 2^44847987 is an apocalyptic number.

44847987 is a deficient number, since it is larger than the sum of its proper divisors (15027549).

44847987 is a wasteful number, since it uses less digits than its factorization.

44847987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19557.

The product of its digits is 1806336, while the sum is 51.

The square root of 44847987 is about 6696.8639675597. The cubic root of 44847987 is about 355.2883645227.

The spelling of 44847987 in words is "forty-four million, eight hundred forty-seven thousand, nine hundred eighty-seven".