44777868 has 12 divisors (see below), whose sum is σ = 104481720. Its totient is φ = 14925952.

The previous prime is 44777867. The next prime is 44777879. The reversal of 44777868 is 86877744.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 44777868.

It is not an unprimeable number, because it can be changed into a prime (44777861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1865733 + ... + 1865756.

It is an arithmetic number, because the mean of its divisors is an integer number (8706810).

Almost surely, 2^44777868 is an apocalyptic number.

It is an amenable number.

44777868 is an abundant number, since it is smaller than the sum of its proper divisors (59703852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44777868 is a wasteful number, since it uses less digits than its factorization.

44777868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3731496 (or 3731494 counting only the distinct ones).

The product of its digits is 2107392, while the sum is 51.

The square root of 44777868 is about 6691.6267080584. The cubic root of 44777868 is about 355.1031056725.

It can be divided in two parts, 447 and 77868, that multiplied together give a triangular number (34806996 = T₈₃₄₃).

The spelling of 44777868 in words is "forty-four million, seven hundred seventy-seven thousand, eight hundred sixty-eight".