87722414 has 32 divisors (see below), whose sum is σ = 156582720. Its totient is φ = 36444672.

The previous prime is 87722413. The next prime is 87722423. The reversal of 87722414 is 41422778.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87722413) 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, 5852 + ... + 14480.

It is an arithmetic number, because the mean of its divisors is an integer number (4893210).

Almost surely, 2^87722414 is an apocalyptic number.

87722414 is a deficient number, since it is larger than the sum of its proper divisors (68860306).

87722414 is a wasteful number, since it uses less digits than its factorization.

87722414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8684.

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

The square root of 87722414 is about 9366.0244501069. The cubic root of 87722414 is about 444.3278393313.

The spelling of 87722414 in words is "eighty-seven million, seven hundred twenty-two thousand, four hundred fourteen".