61984885 has 16 divisors (see below), whose sum is σ = 78384384. Its totient is φ = 46962432.

The previous prime is 61984831. The next prime is 61984891. The reversal of 61984885 is 58848916.

It is a cyclic number.

It is not a de Polignac number, because 61984885 - 2¹³ = 61976693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9229 + ... + 14461.

It is an arithmetic number, because the mean of its divisors is an integer number (4899024).

Almost surely, 2^61984885 is an apocalyptic number.

It is an amenable number.

61984885 is a deficient number, since it is larger than the sum of its proper divisors (16399499).

61984885 is a wasteful number, since it uses less digits than its factorization.

61984885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5364.

The product of its digits is 552960, while the sum is 49.

The square root of 61984885 is about 7873.0480120472. The cubic root of 61984885 is about 395.7569951649.

It can be divided in two parts, 6 and 1984885, that added together give a palindrome (1984891).

The spelling of 61984885 in words is "sixty-one million, nine hundred eighty-four thousand, eight hundred eighty-five".