61847424404884 has 6 divisors (see below), whose sum is σ = 108232992708554. Its totient is φ = 30923712202440.

The previous prime is 61847424404881. The next prime is 61847424404939. The reversal of 61847424404884 is 48840442474816.

It can be written as a sum of positive squares in only one way, i.e., 56908495987984 + 4938928416900 = 7543772^2 + 2222370^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61847424404881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7730928050607 + ... + 7730928050614.

Almost surely, 2^{61847424404884} is an apocalyptic number.

It is an amenable number.

61847424404884 is a deficient number, since it is larger than the sum of its proper divisors (46385568303670).

61847424404884 is a wasteful number, since it uses less digits than its factorization.

61847424404884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15461856101225 (or 15461856101223 counting only the distinct ones).

The product of its (nonzero) digits is 176160768, while the sum is 64.

The spelling of 61847424404884 in words is "sixty-one trillion, eight hundred forty-seven billion, four hundred twenty-four million, four hundred four thousand, eight hundred eighty-four".