82600090 has 8 divisors (see below), whose sum is σ = 148680180. Its totient is φ = 33040032.

The previous prime is 82600081. The next prime is 82600139. The reversal of 82600090 is 9000628.

It can be written as a sum of positive squares in 2 ways, for example, as 80586529 + 2013561 = 8977^2 + 1419^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4129995 + ... + 4130014.

Almost surely, 2^82600090 is an apocalyptic number.

82600090 is a deficient number, since it is larger than the sum of its proper divisors (66080090).

82600090 is a wasteful number, since it uses less digits than its factorization.

82600090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8260016.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 82600090 is about 9088.4591653371. The cubic root of 82600090 is about 435.5053623737.

The spelling of 82600090 in words is "eighty-two million, six hundred thousand, ninety".