78838802 has 16 divisors (see below), whose sum is σ = 141028992. Its totient is φ = 32318880.

The previous prime is 78838801. The next prime is 78838807. The reversal of 78838802 is 20883887.

It is not an unprimeable number, because it can be changed into a prime (78838801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122099 + ... + 122742.

It is an arithmetic number, because the mean of its divisors is an integer number (8814312).

Almost surely, 2^78838802 is an apocalyptic number.

78838802 is a deficient number, since it is larger than the sum of its proper divisors (62190190).

78838802 is a wasteful number, since it uses less digits than its factorization.

78838802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244873.

The product of its (nonzero) digits is 172032, while the sum is 44.

The square root of 78838802 is about 8879.1216907980. The cubic root of 78838802 is about 428.7919980279.

The spelling of 78838802 in words is "seventy-eight million, eight hundred thirty-eight thousand, eight hundred two".