84377380 has 12 divisors (see below), whose sum is σ = 177192540. Its totient is φ = 33750944.

The previous prime is 84377369. The next prime is 84377387. The reversal of 84377380 is 8377348.

It can be written as a sum of positive squares in 2 ways, for example, as 56160036 + 28217344 = 7494^2 + 5312^2 .

It is not an unprimeable number, because it can be changed into a prime (84377387) 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, 2109415 + ... + 2109454.

It is an arithmetic number, because the mean of its divisors is an integer number (14766045).

Almost surely, 2^84377380 is an apocalyptic number.

It is an amenable number.

84377380 is an abundant number, since it is smaller than the sum of its proper divisors (92815160).

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

84377380 is a wasteful number, since it uses less digits than its factorization.

84377380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4218878 (or 4218876 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 84377380 is about 9185.7160853142. The cubic root of 84377380 is about 438.6067846411.

The spelling of 84377380 in words is "eighty-four million, three hundred seventy-seven thousand, three hundred eighty".