65277117250 has 32 divisors (see below), whose sum is σ = 128630286720. Its totient is φ = 24736590000.

The previous prime is 65277117209. The next prime is 65277117253. The reversal of 65277117250 is 5271177256.

It is a super-2 number, since 2×65277117250² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 65277117197 and 65277117206.

It is not an unprimeable number, because it can be changed into a prime (65277117253) 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 15 ways as a sum of consecutive naturals, for example, 6866526 + ... + 6876025.

It is an arithmetic number, because the mean of its divisors is an integer number (4019696460).

Almost surely, 2^65277117250 is an apocalyptic number.

65277117250 is a deficient number, since it is larger than the sum of its proper divisors (63353169470).

65277117250 is a wasteful number, since it uses less digits than its factorization.

65277117250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13742587 (or 13742577 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 43.

The spelling of 65277117250 in words is "sixty-five billion, two hundred seventy-seven million, one hundred seventeen thousand, two hundred fifty".