61078223 has 8 divisors (see below), whose sum is σ = 61582560. Its totient is φ = 60576480.

The previous prime is 61078211. The next prime is 61078243. The reversal of 61078223 is 32287016.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61078223 - 2²⁰ = 60029647 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 (61078243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85793 + ... + 86501.

It is an arithmetic number, because the mean of its divisors is an integer number (7697820).

Almost surely, 2^61078223 is an apocalyptic number.

61078223 is a deficient number, since it is larger than the sum of its proper divisors (504337).

61078223 is a wasteful number, since it uses less digits than its factorization.

61078223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 61078223 is about 7815.2557859612. The cubic root of 61078223 is about 393.8179112561.

The spelling of 61078223 in words is "sixty-one million, seventy-eight thousand, two hundred twenty-three".