61775116 has 24 divisors (see below), whose sum is σ = 116910864. Its totient is φ = 28392000.

The previous prime is 61775101. The next prime is 61775123. The reversal of 61775116 is 61157716.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10686 + ... + 15418.

It is an arithmetic number, because the mean of its divisors is an integer number (4871286).

Almost surely, 2^61775116 is an apocalyptic number.

It is an amenable number.

61775116 is a deficient number, since it is larger than the sum of its proper divisors (55135748).

61775116 is a wasteful number, since it uses less digits than its factorization.

61775116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5001 (or 4999 counting only the distinct ones).

The product of its digits is 8820, while the sum is 34.

The square root of 61775116 is about 7859.7147530938. The cubic root of 61775116 is about 395.3100508558.

The spelling of 61775116 in words is "sixty-one million, seven hundred seventy-five thousand, one hundred sixteen".