44957987 has 2 divisors, whose sum is σ = 44957988. Its totient is φ = 44957986.

The previous prime is 44957977. The next prime is 44957989. The reversal of 44957987 is 78975944.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44957987 - 2¹⁸ = 44695843 is a prime.

Together with 44957989, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (44957989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22478993 + 22478994.

It is an arithmetic number, because the mean of its divisors is an integer number (22478994).

Almost surely, 2^44957987 is an apocalyptic number.

44957987 is a deficient number, since it is larger than the sum of its proper divisors (1).

44957987 is an equidigital number, since it uses as much as digits as its factorization.

44957987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 53.

The square root of 44957987 is about 6705.0717371256. The cubic root of 44957987 is about 355.5786028282.

The spelling of 44957987 in words is "forty-four million, nine hundred fifty-seven thousand, nine hundred eighty-seven".