78356076 has 24 divisors (see below), whose sum is σ = 192454080. Its totient is φ = 24743952.

The previous prime is 78356063. The next prime is 78356093. The reversal of 78356076 is 67065387.

It is a super-2 number, since 2×78356076² = 12279349292235552, which contains 22 as substring.

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, 171606 + ... + 172061.

It is an arithmetic number, because the mean of its divisors is an integer number (8018920).

Almost surely, 2^78356076 is an apocalyptic number.

78356076 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

78356076 is an abundant number, since it is smaller than the sum of its proper divisors (114098004).

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

78356076 is a wasteful number, since it uses less digits than its factorization.

78356076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343693 (or 343691 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 78356076 is about 8851.8967458958. The cubic root of 78356076 is about 427.9150485019.

The spelling of 78356076 in words is "seventy-eight million, three hundred fifty-six thousand, seventy-six".