61072786678 has 8 divisors (see below), whose sum is σ = 91727693568. Its totient is φ = 30496888824.

The previous prime is 61072786657. The next prime is 61072786711. The reversal of 61072786678 is 87668727016.

61072786678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19750326 + ... + 19753417.

It is an arithmetic number, because the mean of its divisors is an integer number (11465961696).

Almost surely, 2^61072786678 is an apocalyptic number.

61072786678 is a deficient number, since it is larger than the sum of its proper divisors (30654906890).

61072786678 is a wasteful number, since it uses less digits than its factorization.

61072786678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39504518.

The product of its (nonzero) digits is 9483264, while the sum is 58.

The spelling of 61072786678 in words is "sixty-one billion, seventy-two million, seven hundred eighty-six thousand, six hundred seventy-eight".