625187078793164 has 6 divisors (see below), whose sum is σ = 1094077387888044. Its totient is φ = 312593539396580.

The previous prime is 625187078793139. The next prime is 625187078793217. The reversal of 625187078793164 is 461397870781526.

It is a junction number, because it is equal to n+sod(n) for n = 625187078793091 and 625187078793100.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78148384849142 + ... + 78148384849149.

It is an arithmetic number, because the mean of its divisors is an integer number (182346231314674).

It is a 1-persistent number, because it is pandigital, but 2⋅625187078793164 = 1250374157586328 is not.

Almost surely, 2^{625187078793164} is an apocalyptic number.

It is an amenable number.

625187078793164 is a deficient number, since it is larger than the sum of its proper divisors (468890309094880).

625187078793164 is a wasteful number, since it uses less digits than its factorization.

625187078793164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156296769698295 (or 156296769698293 counting only the distinct ones).

The product of its (nonzero) digits is 853493760, while the sum is 74.

The spelling of 625187078793164 in words is "six hundred twenty-five trillion, one hundred eighty-seven billion, seventy-eight million, seven hundred ninety-three thousand, one hundred sixty-four".