70987615408 has 10 divisors (see below), whose sum is σ = 137538504884. Its totient is φ = 35493807696.

The previous prime is 70987615397. The next prime is 70987615421. The reversal of 70987615408 is 80451678907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2218362966 + ... + 2218362997.

Almost surely, 2^70987615408 is an apocalyptic number.

It is an amenable number.

70987615408 is a deficient number, since it is larger than the sum of its proper divisors (66550889476).

70987615408 is a wasteful number, since it uses less digits than its factorization.

70987615408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4436725971 (or 4436725965 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 55.

The spelling of 70987615408 in words is "seventy billion, nine hundred eighty-seven million, six hundred fifteen thousand, four hundred eight".