82680501 has 4 divisors (see below), whose sum is σ = 110240672. Its totient is φ = 55120332.

The previous prime is 82680467. The next prime is 82680509. The reversal of 82680501 is 10508628.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 82680501 - 2¹⁰ = 82679477 is a prime.

It is a super-2 number, since 2×82680501² = 13672130491222002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82680509) 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, 13780081 + ... + 13780086.

It is an arithmetic number, because the mean of its divisors is an integer number (27560168).

Almost surely, 2^82680501 is an apocalyptic number.

It is an amenable number.

82680501 is a deficient number, since it is larger than the sum of its proper divisors (27560171).

82680501 is a wasteful number, since it uses less digits than its factorization.

82680501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27560170.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 82680501 is about 9092.8818863988. The cubic root of 82680501 is about 435.6466377003.

The spelling of 82680501 in words is "eighty-two million, six hundred eighty thousand, five hundred one".