82663057 has 4 divisors (see below), whose sum is σ = 82725156. Its totient is φ = 82600960.

The previous prime is 82663039. The next prime is 82663121. The reversal of 82663057 is 75036628.

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

It can be written as a sum of positive squares in 2 ways, for example, as 34762816 + 47900241 = 5896^2 + 6921^2 .

It is a cyclic number.

It is not a de Polignac number, because 82663057 - 2¹¹ = 82661009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82663037) 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, 29008 + ... + 31729.

It is an arithmetic number, because the mean of its divisors is an integer number (20681289).

Almost surely, 2^82663057 is an apocalyptic number.

It is an amenable number.

82663057 is a deficient number, since it is larger than the sum of its proper divisors (62099).

82663057 is a wasteful number, since it uses less digits than its factorization.

82663057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62098.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 82663057 is about 9091.9226239558. The cubic root of 82663057 is about 435.6159978502.

The spelling of 82663057 in words is "eighty-two million, six hundred sixty-three thousand, fifty-seven".