61800674882 has 4 divisors (see below), whose sum is σ = 92701012326. Its totient is φ = 30900337440.

The previous prime is 61800674879. The next prime is 61800674909. The reversal of 61800674882 is 28847600816.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 32566172521 + 29234502361 = 180461^2 + 170981^2 .

It is a super-3 number, since 3×61800674882³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61800674882.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15450168719 + ... + 15450168722.

Almost surely, 2^61800674882 is an apocalyptic number.

61800674882 is a deficient number, since it is larger than the sum of its proper divisors (30900337444).

61800674882 is a wasteful number, since it uses less digits than its factorization.

61800674882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30900337443.

The product of its (nonzero) digits is 1032192, while the sum is 50.

The spelling of 61800674882 in words is "sixty-one billion, eight hundred million, six hundred seventy-four thousand, eight hundred eighty-two".