78854702 has 4 divisors (see below), whose sum is σ = 118282056. Its totient is φ = 39427350.

The previous prime is 78854689. The next prime is 78854723. The reversal of 78854702 is 20745887.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20745887 = 373 ⋅55619.

It is a self number, because there is not a number n which added to its sum of digits gives 78854702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19713674 + ... + 19713677.

It is an arithmetic number, because the mean of its divisors is an integer number (29570514).

Almost surely, 2^78854702 is an apocalyptic number.

78854702 is a deficient number, since it is larger than the sum of its proper divisors (39427354).

78854702 is a wasteful number, since it uses less digits than its factorization.

78854702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39427353.

The product of its (nonzero) digits is 125440, while the sum is 41.

The square root of 78854702 is about 8880.0170044882. The cubic root of 78854702 is about 428.8208219671.

The spelling of 78854702 in words is "seventy-eight million, eight hundred fifty-four thousand, seven hundred two".