61799063 has 4 divisors (see below), whose sum is σ = 65434320. Its totient is φ = 58163808.

The previous prime is 61799057. The next prime is 61799069. The reversal of 61799063 is 36099716.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (61799057) and next prime (61799069).

It is a cyclic number.

It is not a de Polignac number, because 61799063 - 2⁴ = 61799047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61799063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61799069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1817603 + ... + 1817636.

It is an arithmetic number, because the mean of its divisors is an integer number (16358580).

Almost surely, 2^61799063 is an apocalyptic number.

61799063 is a deficient number, since it is larger than the sum of its proper divisors (3635257).

61799063 is a wasteful number, since it uses less digits than its factorization.

61799063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3635256.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 61799063 is about 7861.2380068282. The cubic root of 61799063 is about 395.3611246400.

The spelling of 61799063 in words is "sixty-one million, seven hundred ninety-nine thousand, sixty-three".