78310080 has 84 divisors (see below), whose sum is σ = 269363952. Its totient is φ = 20881920.

The previous prime is 78310049. The next prime is 78310103. The reversal of 78310080 is 8001387.

It is a super-2 number, since 2×78310080² = 12264937259212800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10716 + ... + 16475.

Almost surely, 2^78310080 is an apocalyptic number.

It is an amenable number.

78310080 is an abundant number, since it is smaller than the sum of its proper divisors (191053872).

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

78310080 is a wasteful number, since it uses less digits than its factorization.

78310080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27214 (or 27201 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 78310080 is about 8849.2982772647. The cubic root of 78310080 is about 427.8313016116.

The spelling of 78310080 in words is "seventy-eight million, three hundred ten thousand, eighty".