77441412 has 12 divisors (see below), whose sum is σ = 180696656. Its totient is φ = 25813800.

The previous prime is 77441411. The next prime is 77441417. The reversal of 77441412 is 21414477.

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 77441412.

It is not an unprimeable number, because it can be changed into a prime (77441411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3226714 + ... + 3226737.

Almost surely, 2^77441412 is an apocalyptic number.

It is an amenable number.

77441412 is an abundant number, since it is smaller than the sum of its proper divisors (103255244).

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

77441412 is a wasteful number, since it uses less digits than its factorization.

77441412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6453458 (or 6453456 counting only the distinct ones).

The product of its digits is 6272, while the sum is 30.

The square root of 77441412 is about 8800.0802269070. The cubic root of 77441412 is about 426.2434853079.

Adding to 77441412 its reverse (21414477), we get a palindrome (98855889).

The spelling of 77441412 in words is "seventy-seven million, four hundred forty-one thousand, four hundred twelve".