82377290 has 8 divisors (see below), whose sum is σ = 148279140. Its totient is φ = 32950912.

The previous prime is 82377277. The next prime is 82377299. The reversal of 82377290 is 9277328.

It can be written as a sum of positive squares in 2 ways, for example, as 82283041 + 94249 = 9071^2 + 307^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (82377299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4118855 + ... + 4118874.

Almost surely, 2^82377290 is an apocalyptic number.

82377290 is a deficient number, since it is larger than the sum of its proper divisors (65901850).

82377290 is a wasteful number, since it uses less digits than its factorization.

82377290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8237736.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 82377290 is about 9076.1935854189. The cubic root of 82377290 is about 435.1134420300.

Adding to 82377290 its sum of digits (38), we get a palindrome (82377328).

The spelling of 82377290 in words is "eighty-two million, three hundred seventy-seven thousand, two hundred ninety".