87701228 has 6 divisors (see below), whose sum is σ = 153477156. Its totient is φ = 43850612.

The previous prime is 87701189. The next prime is 87701233. The reversal of 87701228 is 82210778.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10962650 + ... + 10962657.

It is an arithmetic number, because the mean of its divisors is an integer number (25579526).

Almost surely, 2^87701228 is an apocalyptic number.

It is an amenable number.

87701228 is a deficient number, since it is larger than the sum of its proper divisors (65775928).

87701228 is a wasteful number, since it uses less digits than its factorization.

87701228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21925311 (or 21925309 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 87701228 is about 9364.8933789980. The cubic root of 87701228 is about 444.2920663093.

The spelling of 87701228 in words is "eighty-seven million, seven hundred one thousand, two hundred twenty-eight".