863627871142 has 16 divisors (see below), whose sum is σ = 1330617460032. Its totient is φ = 420244018920.

The previous prime is 863627871091. The next prime is 863627871149. The reversal of 863627871142 is 241178726368.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863627871149) 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, 38814084 + ... + 38836327.

It is an arithmetic number, because the mean of its divisors is an integer number (83163591252).

Almost surely, 2^863627871142 is an apocalyptic number.

863627871142 is a deficient number, since it is larger than the sum of its proper divisors (466989588890).

863627871142 is a wasteful number, since it uses less digits than its factorization.

863627871142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77650563.

The product of its digits is 5419008, while the sum is 55.

The spelling of 863627871142 in words is "eight hundred sixty-three billion, six hundred twenty-seven million, eight hundred seventy-one thousand, one hundred forty-two".