78076838367572 has 48 divisors (see below), whose sum is σ = 151135699176000. Its totient is φ = 34997680815360.

The previous prime is 78076838367569. The next prime is 78076838367589. The reversal of 78076838367572 is 27576383867087.

It is a junction number, because it is equal to n+sod(n) for n = 78076838367493 and 78076838367502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41927633 + ... + 43750200.

It is an arithmetic number, because the mean of its divisors is an integer number (3148660399500).

Almost surely, 2^{78076838367572} is an apocalyptic number.

It is an amenable number.

78076838367572 is a deficient number, since it is larger than the sum of its proper divisors (73058860808428).

78076838367572 is a wasteful number, since it uses less digits than its factorization.

78076838367572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85678136 (or 85678134 counting only the distinct ones).

The product of its (nonzero) digits is 3982970880, while the sum is 77.

The spelling of 78076838367572 in words is "seventy-eight trillion, seventy-six billion, eight hundred thirty-eight million, three hundred sixty-seven thousand, five hundred seventy-two".