78948142 has 16 divisors (see below), whose sum is σ = 145750752. Its totient is φ = 31232160.

The previous prime is 78948139. The next prime is 78948151. The reversal of 78948142 is 24184987.

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, 216709 + ... + 217072.

It is an arithmetic number, because the mean of its divisors is an integer number (9109422).

Almost surely, 2^78948142 is an apocalyptic number.

78948142 is a deficient number, since it is larger than the sum of its proper divisors (66802610).

78948142 is a wasteful number, since it uses less digits than its factorization.

78948142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433803.

The product of its digits is 129024, while the sum is 43.

The square root of 78948142 is about 8885.2766979988. The cubic root of 78948142 is about 428.9901342178.

The spelling of 78948142 in words is "seventy-eight million, nine hundred forty-eight thousand, one hundred forty-two".