87196422 has 32 divisors (see below), whose sum is σ = 180117504. Its totient is φ = 28123200.

The previous prime is 87196409. The next prime is 87196423. The reversal of 87196422 is 22469178.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87196423) 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, 29847 + ... + 32637.

It is an arithmetic number, because the mean of its divisors is an integer number (5628672).

Almost surely, 2^87196422 is an apocalyptic number.

87196422 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

87196422 is an abundant number, since it is smaller than the sum of its proper divisors (92921082).

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

87196422 is a wasteful number, since it uses less digits than its factorization.

87196422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964.

The product of its digits is 48384, while the sum is 39.

The square root of 87196422 is about 9337.9024411267. The cubic root of 87196422 is about 443.4379809621.

The spelling of 87196422 in words is "eighty-seven million, one hundred ninety-six thousand, four hundred twenty-two".