870055836142 has 4 divisors (see below), whose sum is σ = 1305083754216. Its totient is φ = 435027918070.

The previous prime is 870055836127. The next prime is 870055836157. The reversal of 870055836142 is 241638550078.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (870055836127) and next prime (870055836157).

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217513959034 + ... + 217513959037.

It is an arithmetic number, because the mean of its divisors is an integer number (326270938554).

Almost surely, 2^870055836142 is an apocalyptic number.

870055836142 is a deficient number, since it is larger than the sum of its proper divisors (435027918074).

870055836142 is a wasteful number, since it uses less digits than its factorization.

870055836142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435027918073.

The product of its (nonzero) digits is 1612800, while the sum is 49.

The spelling of 870055836142 in words is "eight hundred seventy billion, fifty-five million, eight hundred thirty-six thousand, one hundred forty-two".