61880082 has 16 divisors (see below), whose sum is σ = 135011232. Its totient is φ = 18751520.

The previous prime is 61880081. The next prime is 61880087. The reversal of 61880082 is 28008816.

It is a super-3 number, since 3×61880082³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (61880081) 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, 468723 + ... + 468854.

It is an arithmetic number, because the mean of its divisors is an integer number (8438202).

Almost surely, 2^61880082 is an apocalyptic number.

61880082 is an abundant number, since it is smaller than the sum of its proper divisors (73131150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61880082 is a wasteful number, since it uses less digits than its factorization.

61880082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937593.

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

The square root of 61880082 is about 7866.3893877687. The cubic root of 61880082 is about 395.5338229175.

Adding to 61880082 its reverse (28008816), we get a palindrome (89888898).

The spelling of 61880082 in words is "sixty-one million, eight hundred eighty thousand, eighty-two".