78898771206 has 48 divisors (see below), whose sum is σ = 171438930000. Its totient is φ = 26224041984.

The previous prime is 78898771199. The next prime is 78898771249. The reversal of 78898771206 is 60217789887.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21811510 + ... + 21815126.

It is an arithmetic number, because the mean of its divisors is an integer number (3571644375).

Almost surely, 2^78898771206 is an apocalyptic number.

78898771206 is an abundant number, since it is smaller than the sum of its proper divisors (92540158794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78898771206 is a wasteful number, since it uses less digits than its factorization.

78898771206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6773 (or 6770 counting only the distinct ones).

The product of its (nonzero) digits is 18966528, while the sum is 63.

The spelling of 78898771206 in words is "seventy-eight billion, eight hundred ninety-eight million, seven hundred seventy-one thousand, two hundred six".