82080551 has 8 divisors (see below), whose sum is σ = 98743680. Its totient is φ = 66651768.

The previous prime is 82080547. The next prime is 82080553. The reversal of 82080551 is 15508028.

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

It is a cyclic number.

It is not a de Polignac number, because 82080551 - 2² = 82080547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82080553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308441 + ... + 308706.

It is an arithmetic number, because the mean of its divisors is an integer number (12342960).

Almost surely, 2^82080551 is an apocalyptic number.

82080551 is a deficient number, since it is larger than the sum of its proper divisors (16663129).

82080551 is a wasteful number, since it uses less digits than its factorization.

82080551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617173.

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 82080551 is about 9059.8317313292. The cubic root of 82080551 is about 434.5903590651.

Adding to 82080551 its reverse (15508028), we get a palindrome (97588579).

The spelling of 82080551 in words is "eighty-two million, eighty thousand, five hundred fifty-one".