77196152 has 32 divisors (see below), whose sum is σ = 159062400. Its totient is φ = 34831200.

The previous prime is 77196139. The next prime is 77196179. The reversal of 77196152 is 25169177.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9077 + ... + 15387.

It is an arithmetic number, because the mean of its divisors is an integer number (4970700).

Almost surely, 2^77196152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77196152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79531200).

77196152 is an abundant number, since it is smaller than the sum of its proper divisors (81866248).

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

77196152 is a wasteful number, since it uses less digits than its factorization.

77196152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6467 (or 6463 counting only the distinct ones).

The product of its digits is 26460, while the sum is 38.

The square root of 77196152 is about 8786.1340759176. The cubic root of 77196152 is about 425.7930328073.

The spelling of 77196152 in words is "seventy-seven million, one hundred ninety-six thousand, one hundred fifty-two".