61028088427 has 16 divisors (see below), whose sum is σ = 64335398400. Its totient is φ = 57776729472.

The previous prime is 61028088421. The next prime is 61028088509. The reversal of 61028088427 is 72488082016.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 61028088427 - 2³ = 61028088419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61028088421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1873324 + ... + 1905622.

It is an arithmetic number, because the mean of its divisors is an integer number (4020962400).

Almost surely, 2^61028088427 is an apocalyptic number.

61028088427 is a deficient number, since it is larger than the sum of its proper divisors (3307309973).

61028088427 is a wasteful number, since it uses less digits than its factorization.

61028088427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33162.

The product of its (nonzero) digits is 344064, while the sum is 46.

The spelling of 61028088427 in words is "sixty-one billion, twenty-eight million, eighty-eight thousand, four hundred twenty-seven".