78080512 has 20 divisors (see below), whose sum is σ = 156009546. Its totient is φ = 39040000.

The previous prime is 78080503. The next prime is 78080521. The reversal of 78080512 is 21508087.

It is an interprime number because it is at equal distance from previous prime (78080503) and next prime (78080521).

It can be written as a sum of positive squares in only one way, i.e., 74926336 + 3154176 = 8656^2 + 1776^2 .

It is a super-3 number, since 3×78080512³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75739 + ... + 76762.

Almost surely, 2^78080512 is an apocalyptic number.

It is an amenable number.

78080512 is a deficient number, since it is larger than the sum of its proper divisors (77929034).

78080512 is an equidigital number, since it uses as much as digits as its factorization.

78080512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152519 (or 152503 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 78080512 is about 8836.3177851410. The cubic root of 78080512 is about 427.4128262912.

Adding to 78080512 its reverse (21508087), we get a palindrome (99588599).

The spelling of 78080512 in words is "seventy-eight million, eighty thousand, five hundred twelve".