78511314 has 32 divisors (see below), whose sum is σ = 180412416. Its totient is φ = 22312080.

The previous prime is 78511309. The next prime is 78511319. The reversal of 78511314 is 41311587.

It is an interprime number because it is at equal distance from previous prime (78511309) and next prime (78511319).

It is not an unprimeable number, because it can be changed into a prime (78511319) 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, 3129 + ... + 12915.

It is an arithmetic number, because the mean of its divisors is an integer number (5637888).

Almost surely, 2^78511314 is an apocalyptic number.

78511314 is an abundant number, since it is smaller than the sum of its proper divisors (101901102).

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

78511314 is a wasteful number, since it uses less digits than its factorization.

78511314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9990.

The product of its digits is 3360, while the sum is 30.

The square root of 78511314 is about 8860.6610362884. The cubic root of 78511314 is about 428.1974552562.

The spelling of 78511314 in words is "seventy-eight million, five hundred eleven thousand, three hundred fourteen".