84132155387 has 6 divisors (see below), whose sum is σ = 97868017548. Its totient is φ = 72113276004.

The previous prime is 84132155333. The next prime is 84132155411. The reversal of 84132155387 is 78355123148.

It is a de Polignac number, because none of the positive numbers 2^k-84132155387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84132155587) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 858491333 + ... + 858491430.

It is an arithmetic number, because the mean of its divisors is an integer number (16311336258).

Almost surely, 2^84132155387 is an apocalyptic number.

84132155387 is a deficient number, since it is larger than the sum of its proper divisors (13735862161).

84132155387 is a wasteful number, since it uses less digits than its factorization.

84132155387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716982777 (or 1716982770 counting only the distinct ones).

The product of its digits is 806400, while the sum is 47.

The spelling of 84132155387 in words is "eighty-four billion, one hundred thirty-two million, one hundred fifty-five thousand, three hundred eighty-seven".