61428587474576 has 40 divisors (see below), whose sum is σ = 136075580278080. Its totient is φ = 26315865892224.

The previous prime is 61428587474557. The next prime is 61428587474647. The reversal of 61428587474576 is 67547478582416.

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, 110884931 + ... + 111437538.

It is an arithmetic number, because the mean of its divisors is an integer number (3401889506952).

Almost surely, 2^{61428587474576} is an apocalyptic number.

It is an amenable number.

61428587474576 is an abundant number, since it is smaller than the sum of its proper divisors (74646992803504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61428587474576 is a wasteful number, since it uses less digits than its factorization.

61428587474576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222324951 (or 222324945 counting only the distinct ones).

The product of its digits is 2528870400, while the sum is 74.

The spelling of 61428587474576 in words is "sixty-one trillion, four hundred twenty-eight billion, five hundred eighty-seven million, four hundred seventy-four thousand, five hundred seventy-six".