78862745142 has 24 divisors (see below), whose sum is σ = 171425870616. Its totient is φ = 26201952576.

The previous prime is 78862745141. The next prime is 78862745177. The reversal of 78862745142 is 24154726887.

78862745142 is a `hidden beast` number, since 7 + 8 + 8 + 627 + 4 + 5 + 1 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78862745141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7130083 + ... + 7141134.

It is an arithmetic number, because the mean of its divisors is an integer number (7142744609).

Almost surely, 2^78862745142 is an apocalyptic number.

78862745142 is an abundant number, since it is smaller than the sum of its proper divisors (92563125474).

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

78862745142 is a wasteful number, since it uses less digits than its factorization.

78862745142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14271532 (or 14271529 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 54.

The spelling of 78862745142 in words is "seventy-eight billion, eight hundred sixty-two million, seven hundred forty-five thousand, one hundred forty-two".