82880061 has 8 divisors (see below), whose sum is σ = 120552864. Its totient is φ = 50230320.

The previous prime is 82880027. The next prime is 82880069. The reversal of 82880061 is 16008828.

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

It is not a de Polignac number, because 82880061 - 2⁹ = 82879549 is a prime.

It is a super-2 number, since 2×82880061² = 13738209022727442, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 2511517 = 82880061 / (8 + 2 + 8 + 8 + 0 + 0 + 6 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82880069) 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, 1255726 + ... + 1255791.

It is an arithmetic number, because the mean of its divisors is an integer number (15069108).

Almost surely, 2^82880061 is an apocalyptic number.

It is an amenable number.

82880061 is a deficient number, since it is larger than the sum of its proper divisors (37672803).

82880061 is a wasteful number, since it uses less digits than its factorization.

82880061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511531.

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 82880061 is about 9103.8486916249. The cubic root of 82880061 is about 435.9968524448.

Adding to 82880061 its reverse (16008828), we get a palindrome (98888889).

The spelling of 82880061 in words is "eighty-two million, eight hundred eighty thousand, sixty-one".