70387002188 has 12 divisors (see below), whose sum is σ = 124912145232. Its totient is φ = 34697817840.

The previous prime is 70387002139. The next prime is 70387002199. The reversal of 70387002188 is 88120078307.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123920495 + ... + 123921062.

It is an arithmetic number, because the mean of its divisors is an integer number (10409345436).

Almost surely, 2^70387002188 is an apocalyptic number.

It is an amenable number.

70387002188 is a deficient number, since it is larger than the sum of its proper divisors (54525143044).

70387002188 is a wasteful number, since it uses less digits than its factorization.

70387002188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247841632 (or 247841630 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 44.

The spelling of 70387002188 in words is "seventy billion, three hundred eighty-seven million, two thousand, one hundred eighty-eight".