60877729561 has 16 divisors (see below), whose sum is σ = 69647846400. Its totient is φ = 52671096720.

The previous prime is 60877729559. The next prime is 60877729597. The reversal of 60877729561 is 16592777806.

60877729561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 60877729561 - 2¹ = 60877729559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 60877729496 and 60877729505.

It is not an unprimeable number, because it can be changed into a prime (60877729541) 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, 554235 + ... + 654928.

It is an arithmetic number, because the mean of its divisors is an integer number (4352990400).

Almost surely, 2^60877729561 is an apocalyptic number.

It is an amenable number.

60877729561 is a deficient number, since it is larger than the sum of its proper divisors (8770116839).

60877729561 is a wasteful number, since it uses less digits than its factorization.

60877729561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1209396.

The product of its (nonzero) digits is 8890560, while the sum is 58.

The spelling of 60877729561 in words is "sixty billion, eight hundred seventy-seven million, seven hundred twenty-nine thousand, five hundred sixty-one".