60278881591 has 2 divisors, whose sum is σ = 60278881592. Its totient is φ = 60278881590.

The previous prime is 60278881577. The next prime is 60278881609. The reversal of 60278881591 is 19518887206.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 60278881591 - 2⁹ = 60278881079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60288881591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30139440795 + 30139440796.

It is an arithmetic number, because the mean of its divisors is an integer number (30139440796).

Almost surely, 2^60278881591 is an apocalyptic number.

60278881591 is a deficient number, since it is larger than the sum of its proper divisors (1).

60278881591 is an equidigital number, since it uses as much as digits as its factorization.

60278881591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1935360, while the sum is 55.

The spelling of 60278881591 in words is "sixty billion, two hundred seventy-eight million, eight hundred eighty-one thousand, five hundred ninety-one".