70385187118 has 4 divisors (see below), whose sum is σ = 105577780680. Its totient is φ = 35192593558.

The previous prime is 70385187113. The next prime is 70385187221. The reversal of 70385187118 is 81178158307.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81178158307 = 64919 ⋅1250453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70385187113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17596296778 + ... + 17596296781.

It is an arithmetic number, because the mean of its divisors is an integer number (26394445170).

Almost surely, 2^70385187118 is an apocalyptic number.

70385187118 is a deficient number, since it is larger than the sum of its proper divisors (35192593562).

70385187118 is a wasteful number, since it uses less digits than its factorization.

70385187118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35192593561.

The product of its (nonzero) digits is 376320, while the sum is 49.

The spelling of 70385187118 in words is "seventy billion, three hundred eighty-five million, one hundred eighty-seven thousand, one hundred eighteen".