78908476 has 6 divisors (see below), whose sum is σ = 138089840. Its totient is φ = 39454236.

The previous prime is 78908437. The next prime is 78908497. The reversal of 78908476 is 67480987.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9863556 + ... + 9863563.

Almost surely, 2^78908476 is an apocalyptic number.

It is an amenable number.

78908476 is a deficient number, since it is larger than the sum of its proper divisors (59181364).

78908476 is a wasteful number, since it uses less digits than its factorization.

78908476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19727123 (or 19727121 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 78908476 is about 8883.0442979870. The cubic root of 78908476 is about 428.9182761902.

The spelling of 78908476 in words is "seventy-eight million, nine hundred eight thousand, four hundred seventy-six".