82361288 has 8 divisors (see below), whose sum is σ = 154427430. Its totient is φ = 41180640.

The previous prime is 82361287. The next prime is 82361303. The reversal of 82361288 is 88216328.

It can be written as a sum of positive squares in only one way, i.e., 51868804 + 30492484 = 7202^2 + 5522^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×82361288² = 13566763522037888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82361281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5147573 + ... + 5147588.

Almost surely, 2^82361288 is an apocalyptic number.

It is an amenable number.

82361288 is a deficient number, since it is larger than the sum of its proper divisors (72066142).

82361288 is a wasteful number, since it uses less digits than its factorization.

82361288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10295167 (or 10295163 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 82361288 is about 9075.3120056558. The cubic root of 82361288 is about 435.0852662379.

The spelling of 82361288 in words is "eighty-two million, three hundred sixty-one thousand, two hundred eighty-eight".