61013767427 has 8 divisors (see below), whose sum is σ = 63040537440. Its totient is φ = 59019425920.

The previous prime is 61013767403. The next prime is 61013767439. The reversal of 61013767427 is 72476731016.

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

It is not a de Polignac number, because 61013767427 - 2¹⁸ = 61013505283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61013767487) 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, 8103302 + ... + 8110827.

It is an arithmetic number, because the mean of its divisors is an integer number (7880067180).

Almost surely, 2^61013767427 is an apocalyptic number.

61013767427 is a deficient number, since it is larger than the sum of its proper divisors (2026770013).

61013767427 is a wasteful number, since it uses less digits than its factorization.

61013767427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16214253.

The product of its (nonzero) digits is 296352, while the sum is 44.

The spelling of 61013767427 in words is "sixty-one billion, thirteen million, seven hundred sixty-seven thousand, four hundred twenty-seven".