77541882 has 72 divisors (see below), whose sum is σ = 177934848. Its totient is φ = 22508640.

The previous prime is 77541859. The next prime is 77541883. The reversal of 77541882 is 28814577.

It is not an unprimeable number, because it can be changed into a prime (77541883) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 610503 + ... + 610629.

Almost surely, 2^77541882 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77541882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88967424).

77541882 is an abundant number, since it is smaller than the sum of its proper divisors (100392966).

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

77541882 is a wasteful number, since it uses less digits than its factorization.

77541882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 172 counting only the distinct ones).

The product of its digits is 125440, while the sum is 42.

The square root of 77541882 is about 8805.7868472954. The cubic root of 77541882 is about 426.4277371847.

The spelling of 77541882 in words is "seventy-seven million, five hundred forty-one thousand, eight hundred eighty-two".