70387478308 has 24 divisors (see below), whose sum is σ = 141051556800. Its totient is φ = 30106790688.

The previous prime is 70387478297. The next prime is 70387478311. The reversal of 70387478308 is 80387478307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2455138 + ... + 2483641.

It is an arithmetic number, because the mean of its divisors is an integer number (5877148200).

Almost surely, 2^70387478308 is an apocalyptic number.

It is an amenable number.

70387478308 is an abundant number, since it is smaller than the sum of its proper divisors (70664078492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70387478308 is a wasteful number, since it uses less digits than its factorization.

70387478308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4939299 (or 4939297 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 55.

Subtracting 70387478308 from its reverse (80387478307), we obtain a palindrome (9999999999).

The spelling of 70387478308 in words is "seventy billion, three hundred eighty-seven million, four hundred seventy-eight thousand, three hundred eight".