78097084 has 24 divisors (see below), whose sum is σ = 151164608. Its totient is φ = 35069760.

The previous prime is 78097081. The next prime is 78097093. The reversal of 78097084 is 48079087.

It is a self number, because there is not a number n which added to its sum of digits gives 78097084.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78097081) 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, 18372 + ... + 22219.

Almost surely, 2^78097084 is an apocalyptic number.

78097084 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

78097084 is a deficient number, since it is larger than the sum of its proper divisors (73067524).

78097084 is a wasteful number, since it uses less digits than its factorization.

78097084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40645 (or 40643 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 78097084 is about 8837.2554563054. The cubic root of 78097084 is about 427.4430625354.

The spelling of 78097084 in words is "seventy-eight million, ninety-seven thousand, eighty-four".