82872701 has 2 divisors, whose sum is σ = 82872702. Its totient is φ = 82872700.

The previous prime is 82872689. The next prime is 82872721. The reversal of 82872701 is 10727828.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81180100 + 1692601 = 9010^2 + 1301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82872701 is a prime.

It is equal to p_4827338 and since 82872701 and 4827338 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82872721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41436350 + 41436351.

It is an arithmetic number, because the mean of its divisors is an integer number (41436351).

Almost surely, 2^82872701 is an apocalyptic number.

It is an amenable number.

82872701 is a deficient number, since it is larger than the sum of its proper divisors (1).

82872701 is an equidigital number, since it uses as much as digits as its factorization.

82872701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 82872701 is about 9103.4444580060. Note that the first 4 decimals coincide. The cubic root of 82872701 is about 435.9839461165.

The spelling of 82872701 in words is "eighty-two million, eight hundred seventy-two thousand, seven hundred one".