78514025852 has 24 divisors (see below), whose sum is σ = 138794428416. Its totient is φ = 38859872688.

The previous prime is 78514025839. The next prime is 78514025857. The reversal of 78514025852 is 25852041587.

It is a junction number, because it is equal to n+sod(n) for n = 78514025797 and 78514025806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78514025857) 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, 50603 + ... + 399485.

It is an arithmetic number, because the mean of its divisors is an integer number (5783101184).

Almost surely, 2^78514025852 is an apocalyptic number.

It is an amenable number.

78514025852 is a deficient number, since it is larger than the sum of its proper divisors (60280402564).

78514025852 is a wasteful number, since it uses less digits than its factorization.

78514025852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349457 (or 349455 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 47.

The spelling of 78514025852 in words is "seventy-eight billion, five hundred fourteen million, twenty-five thousand, eight hundred fifty-two".