78148243180 has 24 divisors (see below), whose sum is σ = 187555783968. Its totient is φ = 26793683328.

The previous prime is 78148243157. The next prime is 78148243181. The reversal of 78148243180 is 8134284187.

It is a super-2 number, since 2×78148243180² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78148243180.

It is not an unprimeable number, because it can be changed into a prime (78148243181) 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, 279100729 + ... + 279101008.

It is an arithmetic number, because the mean of its divisors is an integer number (7814824332).

Almost surely, 2^78148243180 is an apocalyptic number.

78148243180 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

78148243180 is an abundant number, since it is smaller than the sum of its proper divisors (109407540788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78148243180 is a wasteful number, since it uses less digits than its factorization.

78148243180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558201753 (or 558201751 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 46.

The spelling of 78148243180 in words is "seventy-eight billion, one hundred forty-eight million, two hundred forty-three thousand, one hundred eighty".