60727991285 has 16 divisors (see below), whose sum is σ = 81185433840. Its totient is φ = 43298895360.

The previous prime is 60727991267. The next prime is 60727991297. The reversal of 60727991285 is 58219972706.

It can be written as a sum of positive squares in 8 ways, for example, as 874858084 + 59853133201 = 29578^2 + 244649^2 .

It is not a de Polignac number, because 60727991285 - 2⁸ = 60727991029 is a prime.

It is a super-2 number, since 2×60727991285² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 60727991285.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16106336 + ... + 16110105.

It is an arithmetic number, because the mean of its divisors is an integer number (5074089615).

Almost surely, 2^60727991285 is an apocalyptic number.

60727991285 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

60727991285 is a deficient number, since it is larger than the sum of its proper divisors (20457442555).

60727991285 is a wasteful number, since it uses less digits than its factorization.

60727991285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32216488.

The product of its (nonzero) digits is 3810240, while the sum is 56.

The spelling of 60727991285 in words is "sixty billion, seven hundred twenty-seven million, nine hundred ninety-one thousand, two hundred eighty-five".