78850649702 has 24 divisors (see below), whose sum is σ = 131293050336. Its totient is φ = 35486330000.

The previous prime is 78850649699. The next prime is 78850649797. The reversal of 78850649702 is 20794605887.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1588574 + ... + 1637457.

It is an arithmetic number, because the mean of its divisors is an integer number (5470543764).

Almost surely, 2^78850649702 is an apocalyptic number.

78850649702 is a deficient number, since it is larger than the sum of its proper divisors (52442400634).

78850649702 is a wasteful number, since it uses less digits than its factorization.

78850649702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3226156 (or 3226145 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 56.

The spelling of 78850649702 in words is "seventy-eight billion, eight hundred fifty million, six hundred forty-nine thousand, seven hundred two".