870661194742 has 8 divisors (see below), whose sum is σ = 1362774044016. Its totient is φ = 416403180072.

The previous prime is 870661194707. The next prime is 870661194743. The reversal of 870661194742 is 247491166078.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870661194743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9463708593 + ... + 9463708684.

It is an arithmetic number, because the mean of its divisors is an integer number (170346755502).

Almost surely, 2^870661194742 is an apocalyptic number.

870661194742 is a deficient number, since it is larger than the sum of its proper divisors (492112849274).

870661194742 is a wasteful number, since it uses less digits than its factorization.

870661194742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18927417302.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 870661194742 in words is "eight hundred seventy billion, six hundred sixty-one million, one hundred ninety-four thousand, seven hundred forty-two".