60198138977 has 4 divisors (see below), whose sum is σ = 60212901120. Its totient is φ = 60183376836.

The previous prime is 60198138941. The next prime is 60198138997. The reversal of 60198138977 is 77983189106.

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 60198138977 - 2³⁰ = 59124397153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60198138937) 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, 7374953 + ... + 7383110.

It is an arithmetic number, because the mean of its divisors is an integer number (15053225280).

Almost surely, 2^60198138977 is an apocalyptic number.

It is an amenable number.

60198138977 is a deficient number, since it is larger than the sum of its proper divisors (14762143).

60198138977 is a wasteful number, since it uses less digits than its factorization.

60198138977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14762142.

The product of its (nonzero) digits is 4572288, while the sum is 59.

The spelling of 60198138977 in words is "sixty billion, one hundred ninety-eight million, one hundred thirty-eight thousand, nine hundred seventy-seven".