78830481 has 16 divisors (see below), whose sum is σ = 107870400. Its totient is φ = 51179520.

The previous prime is 78830459. The next prime is 78830491. The reversal of 78830481 is 18403887.

It is not a de Polignac number, because 78830481 - 2⁶ = 78830417 is a prime.

It is a super-2 number, since 2×78830481² = 12428489469382722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78830491) 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, 57241 + ... + 58601.

It is an arithmetic number, because the mean of its divisors is an integer number (6741900).

Almost surely, 2^78830481 is an apocalyptic number.

It is an amenable number.

78830481 is a deficient number, since it is larger than the sum of its proper divisors (29039919).

78830481 is a wasteful number, since it uses less digits than its factorization.

78830481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856.

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 78830481 is about 8878.6531073131. The cubic root of 78830481 is about 428.7769119550.

The spelling of 78830481 in words is "seventy-eight million, eight hundred thirty thousand, four hundred eighty-one".