78932215000 has 40 divisors (see below), whose sum is σ = 184938191460. Its totient is φ = 31572884000.

The previous prime is 78932214989. The next prime is 78932215039. The reversal of 78932215000 is 51223987.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7888222 + ... + 7898221.

Almost surely, 2^78932215000 is an apocalyptic number.

It is an amenable number.

78932215000 is an abundant number, since it is smaller than the sum of its proper divisors (106005976460).

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

78932215000 is a wasteful number, since it uses less digits than its factorization.

78932215000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15786469 (or 15786450 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

Adding to 78932215000 its reverse (51223987), we get a palindrome (78983438987).

The spelling of 78932215000 in words is "seventy-eight billion, nine hundred thirty-two million, two hundred fifteen thousand".