513168868977 has 8 divisors (see below), whose sum is σ = 684235606560. Its totient is φ = 342107355360.

The previous prime is 513168868943. The next prime is 513168868997. The reversal of 513168868977 is 779868861315.

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

It is not a de Polignac number, because 513168868977 - 2⁶ = 513168868913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (513168868997) 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, 1070724 + ... + 1474037.

It is an arithmetic number, because the mean of its divisors is an integer number (85529450820).

Almost surely, 2^513168868977 is an apocalyptic number.

It is an amenable number.

513168868977 is a deficient number, since it is larger than the sum of its proper divisors (171066737583).

513168868977 is a wasteful number, since it uses less digits than its factorization.

513168868977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611983.

The product of its digits is 121927680, while the sum is 69.

The spelling of 513168868977 in words is "five hundred thirteen billion, one hundred sixty-eight million, eight hundred sixty-eight thousand, nine hundred seventy-seven".