82780095 has 8 divisors (see below), whose sum is σ = 132448176. Its totient is φ = 44149376.

The previous prime is 82780081. The next prime is 82780097. The reversal of 82780095 is 59008728.

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

It is a cyclic number.

It is not a de Polignac number, because 82780095 - 2⁸ = 82779839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82780097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2759322 + ... + 2759351.

It is an arithmetic number, because the mean of its divisors is an integer number (16556022).

Almost surely, 2^82780095 is an apocalyptic number.

82780095 is a deficient number, since it is larger than the sum of its proper divisors (49668081).

82780095 is a wasteful number, since it uses less digits than its factorization.

82780095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5518681.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 82780095 is about 9098.3567197599. The cubic root of 82780095 is about 435.8214890103.

The spelling of 82780095 in words is "eighty-two million, seven hundred eighty thousand, ninety-five".