60778600861 has 8 divisors (see below), whose sum is σ = 66307205664. Its totient is φ = 55250542320.

The previous prime is 60778600847. The next prime is 60778600871. The reversal of 60778600861 is 16800687706.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 60778600861 - 2¹³ = 60778592669 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 (60778600871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116475 + ... + 367591.

It is an arithmetic number, because the mean of its divisors is an integer number (8288400708).

Almost surely, 2^60778600861 is an apocalyptic number.

It is an amenable number.

60778600861 is a deficient number, since it is larger than the sum of its proper divisors (5528604803).

60778600861 is a wasteful number, since it uses less digits than its factorization.

60778600861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273131.

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 60778600861 in words is "sixty billion, seven hundred seventy-eight million, six hundred thousand, eight hundred sixty-one".