87226545 has 16 divisors (see below), whose sum is σ = 159500160. Its totient is φ = 39874944.

The previous prime is 87226493. The next prime is 87226547. The reversal of 87226545 is 54562278.

It is not a de Polignac number, because 87226545 - 2⁷ = 87226417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87226547) 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, 415260 + ... + 415469.

It is an arithmetic number, because the mean of its divisors is an integer number (9968760).

Almost surely, 2^87226545 is an apocalyptic number.

It is an amenable number.

87226545 is a deficient number, since it is larger than the sum of its proper divisors (72273615).

87226545 is a wasteful number, since it uses less digits than its factorization.

87226545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830744.

The product of its digits is 134400, while the sum is 39.

The square root of 87226545 is about 9339.5152443797. The cubic root of 87226545 is about 443.4890386550.

The spelling of 87226545 in words is "eighty-seven million, two hundred twenty-six thousand, five hundred forty-five".