60720877501 has 4 divisors (see below), whose sum is σ = 60799839100. Its totient is φ = 60641915904.

The previous prime is 60720877499. The next prime is 60720877513. The reversal of 60720877501 is 10577802706.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13827408100 + 46893469401 = 117590^2 + 216549^2 .

It is a cyclic number.

It is not a de Polignac number, because 60720877501 - 2¹ = 60720877499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60720877531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39479646 + ... + 39481183.

It is an arithmetic number, because the mean of its divisors is an integer number (15199959775).

Almost surely, 2^60720877501 is an apocalyptic number.

It is an amenable number.

60720877501 is a deficient number, since it is larger than the sum of its proper divisors (78961599).

60720877501 is an equidigital number, since it uses as much as digits as its factorization.

60720877501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78961598.

The product of its (nonzero) digits is 164640, while the sum is 43.

The spelling of 60720877501 in words is "sixty billion, seven hundred twenty million, eight hundred seventy-seven thousand, five hundred one".