61859795 has 16 divisors (see below), whose sum is σ = 76090368. Its totient is φ = 48263040.

The previous prime is 61859779. The next prime is 61859797. The reversal of 61859795 is 59795816.

61859795 = 488² + 489² + ... + 670².

It is a happy number.

It is not a de Polignac number, because 61859795 - 2⁴ = 61859779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61859797) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 37937 + ... + 39533.

It is an arithmetic number, because the mean of its divisors is an integer number (4755648).

Almost surely, 2^61859795 is an apocalyptic number.

61859795 is a deficient number, since it is larger than the sum of its proper divisors (14230573).

61859795 is a wasteful number, since it uses less digits than its factorization.

61859795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790.

The product of its digits is 680400, while the sum is 50.

The square root of 61859795 is about 7865.0998086483. The cubic root of 61859795 is about 395.4905937584.

The spelling of 61859795 in words is "sixty-one million, eight hundred fifty-nine thousand, seven hundred ninety-five".