78052080 has 40 divisors (see below), whose sum is σ = 241962192. Its totient is φ = 20813824.

The previous prime is 78052063. The next prime is 78052081. The reversal of 78052080 is 8025087.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78052081) 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, 162369 + ... + 162848.

Almost surely, 2^78052080 is an apocalyptic number.

It is an amenable number.

78052080 is an abundant number, since it is smaller than the sum of its proper divisors (163910112).

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

78052080 is a wasteful number, since it uses less digits than its factorization.

78052080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325233 (or 325227 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 78052080 is about 8834.7088237248. The cubic root of 78052080 is about 427.3609410576.

The spelling of 78052080 in words is "seventy-eight million, fifty-two thousand, eighty".