78453080 has 16 divisors (see below), whose sum is σ = 176519520. Its totient is φ = 31381216.

The previous prime is 78453019. The next prime is 78453103. The reversal of 78453080 is 8035487.

It is a super-2 number, since 2×78453080² = 12309771522972800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 78453080.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 980624 + ... + 980703.

It is an arithmetic number, because the mean of its divisors is an integer number (11032470).

Almost surely, 2^78453080 is an apocalyptic number.

It is an amenable number.

78453080 is an abundant number, since it is smaller than the sum of its proper divisors (98066440).

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

78453080 is a wasteful number, since it uses less digits than its factorization.

78453080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961338 (or 1961334 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 78453080 is about 8857.3743287726. The cubic root of 78453080 is about 428.0915604621.

The spelling of 78453080 in words is "seventy-eight million, four hundred fifty-three thousand, eighty".