44043977 has 2 divisors, whose sum is σ = 44043978. Its totient is φ = 44043976.

The previous prime is 44043971. The next prime is 44044003. The reversal of 44043977 is 77934044.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41938576 + 2105401 = 6476^2 + 1451^2 .

It is a cyclic number.

It is not a de Polignac number, because 44043977 - 2²⁰ = 42995401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44043977.

It is not a weakly prime, because it can be changed into another prime (44043971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22021988 + 22021989.

It is an arithmetic number, because the mean of its divisors is an integer number (22021989).

Almost surely, 2^44043977 is an apocalyptic number.

It is an amenable number.

44043977 is a deficient number, since it is larger than the sum of its proper divisors (1).

44043977 is an equidigital number, since it uses as much as digits as its factorization.

44043977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 44043977 is about 6636.5636439350. The cubic root of 44043977 is about 353.1524111335.

The spelling of 44043977 in words is "forty-four million, forty-three thousand, nine hundred seventy-seven".