87929226 has 240 divisors, whose sum is σ = 268155360. Its totient is φ = 21228480.

The previous prime is 87929213. The next prime is 87929267. The reversal of 87929226 is 62292978.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1659016 + ... + 1659068.

It is an arithmetic number, because the mean of its divisors is an integer number (1117314).

Almost surely, 2^87929226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87929226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134077680).

87929226 is an abundant number, since it is smaller than the sum of its proper divisors (180226134).

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

87929226 is a wasteful number, since it uses less digits than its factorization.

87929226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 95 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 87929226 is about 9377.0584940055. The cubic root of 87929226 is about 444.6767437335.

The spelling of 87929226 in words is "eighty-seven million, nine hundred twenty-nine thousand, two hundred twenty-six".