77874252 has 48 divisors (see below), whose sum is σ = 188479872. Its totient is φ = 25006720.

The previous prime is 77874239. The next prime is 77874259. The reversal of 77874252 is 25247877.

It is not an unprimeable number, because it can be changed into a prime (77874259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39883 + ... + 41789.

It is an arithmetic number, because the mean of its divisors is an integer number (3926664).

Almost surely, 2^77874252 is an apocalyptic number.

It is an amenable number.

77874252 is an abundant number, since it is smaller than the sum of its proper divisors (110605620).

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

77874252 is a wasteful number, since it uses less digits than its factorization.

77874252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038 (or 2036 counting only the distinct ones).

The product of its digits is 219520, while the sum is 42.

The square root of 77874252 is about 8824.6389161257. The cubic root of 77874252 is about 427.0361385681.

The spelling of 77874252 in words is "seventy-seven million, eight hundred seventy-four thousand, two hundred fifty-two".