87742688226 has 32 divisors (see below), whose sum is σ = 177651714240. Its totient is φ = 28886713344.

The previous prime is 87742688221. The next prime is 87742688227. The reversal of 87742688226 is 62288624778.

It is a self number, because there is not a number n which added to its sum of digits gives 87742688226.

It is not an unprimeable number, because it can be changed into a prime (87742688221) 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, 1805170 + ... + 1853138.

It is an arithmetic number, because the mean of its divisors is an integer number (5551616070).

Almost surely, 2^87742688226 is an apocalyptic number.

87742688226 is an abundant number, since it is smaller than the sum of its proper divisors (89909026014).

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

87742688226 is a wasteful number, since it uses less digits than its factorization.

87742688226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51730.

The product of its digits is 28901376, while the sum is 60.

The spelling of 87742688226 in words is "eighty-seven billion, seven hundred forty-two million, six hundred eighty-eight thousand, two hundred twenty-six".