78467731558232 has 32 divisors (see below), whose sum is σ = 154990484875200. Its totient is φ = 37140134580000.

The previous prime is 78467731558231. The next prime is 78467731558243. The reversal of 78467731558232 is 23285513776487.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78467731558231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199739894 + ... + 200132357.

It is an arithmetic number, because the mean of its divisors is an integer number (4843452652350).

Almost surely, 2^{78467731558232} is an apocalyptic number.

It is an amenable number.

78467731558232 is a deficient number, since it is larger than the sum of its proper divisors (76522753316968).

78467731558232 is a wasteful number, since it uses less digits than its factorization.

78467731558232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399873567 (or 399873563 counting only the distinct ones).

The product of its digits is 474163200, while the sum is 68.

The spelling of 78467731558232 in words is "seventy-eight trillion, four hundred sixty-seven billion, seven hundred thirty-one million, five hundred fifty-eight thousand, two hundred thirty-two".