78152260838368 has 48 divisors (see below), whose sum is σ = 156160840867920. Its totient is φ = 38492380624896.

The previous prime is 78152260838291. The next prime is 78152260838447. The reversal of 78152260838368 is 86383806225187.

It is a super-2 number, since 2×78152260838368² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192047080 + ... + 192453592.

It is an arithmetic number, because the mean of its divisors is an integer number (3253350851415).

Almost surely, 2^{78152260838368} is an apocalyptic number.

It is an amenable number.

78152260838368 is a deficient number, since it is larger than the sum of its proper divisors (78008580029552).

78152260838368 is a wasteful number, since it uses less digits than its factorization.

78152260838368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496259 (or 496251 counting only the distinct ones).

The product of its (nonzero) digits is 185794560, while the sum is 67.

The spelling of 78152260838368 in words is "seventy-eight trillion, one hundred fifty-two billion, two hundred sixty million, eight hundred thirty-eight thousand, three hundred sixty-eight".