82770059 has 4 divisors (see below), whose sum is σ = 87638904. Its totient is φ = 77901216.

The previous prime is 82770049. The next prime is 82770067. The reversal of 82770059 is 95007728.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82770059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82770019) 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, 2434397 + ... + 2434430.

It is an arithmetic number, because the mean of its divisors is an integer number (21909726).

Almost surely, 2^82770059 is an apocalyptic number.

82770059 is a deficient number, since it is larger than the sum of its proper divisors (4868845).

82770059 is a wasteful number, since it uses less digits than its factorization.

82770059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4868844.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 82770059 is about 9097.8051748760. The cubic root of 82770059 is about 435.8038757535.

The spelling of 82770059 in words is "eighty-two million, seven hundred seventy thousand, fifty-nine".