44991077 has 2 divisors, whose sum is σ = 44991078. Its totient is φ = 44991076.

The previous prime is 44991071. The next prime is 44991083. The reversal of 44991077 is 77019944.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (44991071) and next prime (44991083).

It can be written as a sum of positive squares in only one way, i.e., 42172036 + 2819041 = 6494^2 + 1679^2 .

It is a cyclic number.

It is not a de Polignac number, because 44991077 - 2¹⁴ = 44974693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44991071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22495538 + 22495539.

It is an arithmetic number, because the mean of its divisors is an integer number (22495539).

Almost surely, 2^44991077 is an apocalyptic number.

It is an amenable number.

44991077 is a deficient number, since it is larger than the sum of its proper divisors (1).

44991077 is an equidigital number, since it uses as much as digits as its factorization.

44991077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 44991077 is about 6707.5388183744. The cubic root of 44991077 is about 355.6658191476.

The spelling of 44991077 in words is "forty-four million, nine hundred ninety-one thousand, seventy-seven".