78080460 has 48 divisors (see below), whose sum is σ = 221899776. Its totient is φ = 20509632.

The previous prime is 78080459. The next prime is 78080461. The reversal of 78080460 is 6408087.

It is an interprime number because it is at equal distance from previous prime (78080459) and next prime (78080461).

It is not an unprimeable number, because it can be changed into a prime (78080461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5692 + ... + 13731.

It is an arithmetic number, because the mean of its divisors is an integer number (4622912).

Almost surely, 2^78080460 is an apocalyptic number.

It is an amenable number.

78080460 is an abundant number, since it is smaller than the sum of its proper divisors (143819316).

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

78080460 is a wasteful number, since it uses less digits than its factorization.

78080460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19502 (or 19500 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 78080460 is about 8836.3148427385. The cubic root of 78080460 is about 427.4127314084.

The spelling of 78080460 in words is "seventy-eight million, eighty thousand, four hundred sixty".