61799895 has 32 divisors (see below), whose sum is σ = 113418240. Its totient is φ = 31894560.

The previous prime is 61799869. The next prime is 61799917. The reversal of 61799895 is 59899716.

61799895 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 61799895 - 2⁵ = 61799863 is a prime.

It is a super-2 number, since 2×61799895² = 7638454044022050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3199 + ... + 11568.

It is an arithmetic number, because the mean of its divisors is an integer number (3544320).

Almost surely, 2^61799895 is an apocalyptic number.

61799895 is a deficient number, since it is larger than the sum of its proper divisors (51618345).

61799895 is a wasteful number, since it uses less digits than its factorization.

61799895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14812 (or 14806 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 54.

The square root of 61799895 is about 7861.2909245238. The cubic root of 61799895 is about 395.3628988793.

The spelling of 61799895 in words is "sixty-one million, seven hundred ninety-nine thousand, eight hundred ninety-five".