87744212 has 12 divisors (see below), whose sum is σ = 153656160. Its totient is φ = 43842456.

The previous prime is 87744211. The next prime is 87744257. The reversal of 87744212 is 21244778.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87744211) 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, 89 + ... + 13247.

It is an arithmetic number, because the mean of its divisors is an integer number (12804680).

Almost surely, 2^87744212 is an apocalyptic number.

It is an amenable number.

87744212 is a deficient number, since it is larger than the sum of its proper divisors (65911948).

87744212 is a wasteful number, since it uses less digits than its factorization.

87744212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14830 (or 14828 counting only the distinct ones).

The product of its digits is 25088, while the sum is 35.

The square root of 87744212 is about 9367.1880519182. The cubic root of 87744212 is about 444.3646397174.

The spelling of 87744212 in words is "eighty-seven million, seven hundred forty-four thousand, two hundred twelve".