39077889 has 12 divisors (see below), whose sum is σ = 54992016. Its totient is φ = 24680088.

The previous prime is 39077869. The next prime is 39077893. The reversal of 39077889 is 98877093.

It is a happy number.

It is not a de Polignac number, because 39077889 - 2¹³ = 39069697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39077869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16959 + ... + 19124.

It is an arithmetic number, because the mean of its divisors is an integer number (4582668).

Almost surely, 2^39077889 is an apocalyptic number.

It is an amenable number.

39077889 is a deficient number, since it is larger than the sum of its proper divisors (15914127).

39077889 is a wasteful number, since it uses less digits than its factorization.

39077889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36124 (or 36105 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 51.

The square root of 39077889 is about 6251.2309987714. The cubic root of 39077889 is about 339.3467532087.

The spelling of 39077889 in words is "thirty-nine million, seventy-seven thousand, eight hundred eighty-nine".