61883893 has 16 divisors (see below), whose sum is σ = 69318720. Its totient is φ = 54902016.

The previous prime is 61883881. The next prime is 61883897. The reversal of 61883893 is 39838816.

It is a cyclic number.

It is not a de Polignac number, because 61883893 - 2¹³ = 61875701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61883897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91071 + ... + 91747.

It is an arithmetic number, because the mean of its divisors is an integer number (4332420).

Almost surely, 2^61883893 is an apocalyptic number.

It is an amenable number.

61883893 is a deficient number, since it is larger than the sum of its proper divisors (7434827).

61883893 is a wasteful number, since it uses less digits than its factorization.

61883893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996.

The product of its digits is 248832, while the sum is 46.

The square root of 61883893 is about 7866.6316171536. The cubic root of 61883893 is about 395.5419426463.

The spelling of 61883893 in words is "sixty-one million, eight hundred eighty-three thousand, eight hundred ninety-three".