72863253608187 has 16 divisors (see below), whose sum is σ = 112174356073472. Its totient is φ = 41206906310400.

The previous prime is 72863253608183. The next prime is 72863253608207. The reversal of 72863253608187 is 78180635236827.

It is not a de Polignac number, because 72863253608187 - 2² = 72863253608183 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72863253608183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17884939939 + ... + 17884944012.

It is an arithmetic number, because the mean of its divisors is an integer number (7010897254592).

Almost surely, 2^{72863253608187} is an apocalyptic number.

72863253608187 is a deficient number, since it is larger than the sum of its proper divisors (39311102465285).

72863253608187 is a wasteful number, since it uses less digits than its factorization.

72863253608187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35769884058.

The product of its (nonzero) digits is 162570240, while the sum is 66.

The spelling of 72863253608187 in words is "seventy-two trillion, eight hundred sixty-three billion, two hundred fifty-three million, six hundred eight thousand, one hundred eighty-seven".