79681468 has 12 divisors (see below), whose sum is σ = 140069440. Its totient is φ = 39661632.

The previous prime is 79681463. The next prime is 79681477. The reversal of 79681468 is 86418697.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79681463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43773 + ... + 45556.

Almost surely, 2^79681468 is an apocalyptic number.

It is an amenable number.

79681468 is a deficient number, since it is larger than the sum of its proper divisors (60387972).

79681468 is a wasteful number, since it uses less digits than its factorization.

79681468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89556 (or 89554 counting only the distinct ones).

The product of its digits is 580608, while the sum is 49.

The square root of 79681468 is about 8926.4476697060. The cubic root of 79681468 is about 430.3142969883.

The spelling of 79681468 in words is "seventy-nine million, six hundred eighty-one thousand, four hundred sixty-eight".