87226477 has 12 divisors (see below), whose sum is σ = 95388384. Its totient is φ = 79719120.

The previous prime is 87226421. The next prime is 87226483. The reversal of 87226477 is 77462278.

It is not a de Polignac number, because 87226477 - 2¹⁵ = 87193709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87226417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14902 + ... + 19912.

It is an arithmetic number, because the mean of its divisors is an integer number (7949032).

Almost surely, 2^87226477 is an apocalyptic number.

It is an amenable number.

87226477 is a deficient number, since it is larger than the sum of its proper divisors (8161907).

87226477 is a wasteful number, since it uses less digits than its factorization.

87226477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5140 (or 5127 counting only the distinct ones).

The product of its digits is 263424, while the sum is 43.

The square root of 87226477 is about 9339.5116039330. The cubic root of 87226477 is about 443.4889234100.

The spelling of 87226477 in words is "eighty-seven million, two hundred twenty-six thousand, four hundred seventy-seven".