78650072150 has 48 divisors (see below), whose sum is σ = 157587340848. Its totient is φ = 29031696000.

The previous prime is 78650072147. The next prime is 78650072167. The reversal of 78650072150 is 5127005687.

It is a junction number, because it is equal to n+sod(n) for n = 78650072098 and 78650072107.

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, 2539760 + ... + 2570540.

It is an arithmetic number, because the mean of its divisors is an integer number (3283069601).

Almost surely, 2^78650072150 is an apocalyptic number.

78650072150 is an abundant number, since it is smaller than the sum of its proper divisors (78937268698).

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

78650072150 is a wasteful number, since it uses less digits than its factorization.

78650072150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34737 (or 34732 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 41.

The spelling of 78650072150 in words is "seventy-eight billion, six hundred fifty million, seventy-two thousand, one hundred fifty".