78075080 has 32 divisors (see below), whose sum is σ = 175980600. Its totient is φ = 31174656.

The previous prime is 78075077. The next prime is 78075091. The reversal of 78075080 is 8057087.

It can be written as a sum of positive squares in 4 ways, for example, as 65642404 + 12432676 = 8102^2 + 3526^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 78075080.

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, 26984 + ... + 29736.

Almost surely, 2^78075080 is an apocalyptic number.

It is an amenable number.

78075080 is an abundant number, since it is smaller than the sum of its proper divisors (97905520).

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

78075080 is a wasteful number, since it uses less digits than its factorization.

78075080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3473 (or 3469 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 78075080 is about 8836.0104119450. The cubic root of 78075080 is about 427.4029144696.

The spelling of 78075080 in words is "seventy-eight million, seventy-five thousand, eighty".