60661277 has 4 divisors (see below), whose sum is σ = 60735456. Its totient is φ = 60587100.

The previous prime is 60661273. The next prime is 60661303. The reversal of 60661277 is 77216606.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 60661277 - 2² = 60661273 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 (60661273) 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, 35849 + ... + 37502.

It is an arithmetic number, because the mean of its divisors is an integer number (15183864).

Almost surely, 2^60661277 is an apocalyptic number.

It is an amenable number.

60661277 is a deficient number, since it is larger than the sum of its proper divisors (74179).

60661277 is an equidigital number, since it uses as much as digits as its factorization.

60661277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74178.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 60661277 is about 7788.5349713537. The cubic root of 60661277 is about 392.9197413732.

The spelling of 60661277 in words is "sixty million, six hundred sixty-one thousand, two hundred seventy-seven".