82772115 has 8 divisors (see below), whose sum is σ = 132435408. Its totient is φ = 44145120.

The previous prime is 82771991. The next prime is 82772143. The reversal of 82772115 is 51127728.

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

It is not a de Polignac number, because 82772115 - 2¹¹ = 82770067 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2759056 + ... + 2759085.

It is an arithmetic number, because the mean of its divisors is an integer number (16554426).

Almost surely, 2^82772115 is an apocalyptic number.

82772115 is a deficient number, since it is larger than the sum of its proper divisors (49663293).

82772115 is a wasteful number, since it uses less digits than its factorization.

82772115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5518149.

The product of its digits is 7840, while the sum is 33.

The square root of 82772115 is about 9097.9181684603. The cubic root of 82772115 is about 435.8074841652.

The spelling of 82772115 in words is "eighty-two million, seven hundred seventy-two thousand, one hundred fifteen".