78156848 has 40 divisors (see below), whose sum is σ = 188797440. Its totient is φ = 30450240.

The previous prime is 78156847. The next prime is 78156853. The reversal of 78156848 is 84865187.

It is a happy number.

It is a super-2 number, since 2×78156848² = 12216985778590208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78156847) 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, 30488 + ... + 32951.

It is an arithmetic number, because the mean of its divisors is an integer number (4719936).

Almost surely, 2^78156848 is an apocalyptic number.

It is an amenable number.

78156848 is an abundant number, since it is smaller than the sum of its proper divisors (110640592).

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

78156848 is a wasteful number, since it uses less digits than its factorization.

78156848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63465 (or 63459 counting only the distinct ones).

The product of its digits is 430080, while the sum is 47.

The square root of 78156848 is about 8840.6361762036. The cubic root of 78156848 is about 427.5520687123.

The spelling of 78156848 in words is "seventy-eight million, one hundred fifty-six thousand, eight hundred forty-eight".