78941902 has 16 divisors (see below), whose sum is σ = 128292192. Its totient is φ = 36214560.

The previous prime is 78941887. The next prime is 78941917. The reversal of 78941902 is 20914987.

It is an interprime number because it is at equal distance from previous prime (78941887) and next prime (78941917).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4749 + ... + 13432.

It is an arithmetic number, because the mean of its divisors is an integer number (8018262).

Almost surely, 2^78941902 is an apocalyptic number.

78941902 is a deficient number, since it is larger than the sum of its proper divisors (49350290).

78941902 is a wasteful number, since it uses less digits than its factorization.

78941902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18363.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 78941902 is about 8884.9255483656. The cubic root of 78941902 is about 428.9788315707.

The spelling of 78941902 in words is "seventy-eight million, nine hundred forty-one thousand, nine hundred two".