60921798977 has 8 divisors (see below), whose sum is σ = 65748586176. Its totient is φ = 56115082512.

The previous prime is 60921798967. The next prime is 60921798991. The reversal of 60921798977 is 77989712906.

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 60921798977 - 2¹⁰ = 60921797953 is a prime.

It is a super-2 number, since 2×60921798977² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (60921798967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5011373 + ... + 5023514.

It is an arithmetic number, because the mean of its divisors is an integer number (8218573272).

Almost surely, 2^60921798977 is an apocalyptic number.

It is an amenable number.

60921798977 is a deficient number, since it is larger than the sum of its proper divisors (4826787199).

60921798977 is a wasteful number, since it uses less digits than its factorization.

60921798977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10035367.

The product of its (nonzero) digits is 24004512, while the sum is 65.

The spelling of 60921798977 in words is "sixty billion, nine hundred twenty-one million, seven hundred ninety-eight thousand, nine hundred seventy-seven".