9970697155 has 8 divisors (see below), whose sum is σ = 12081000672. Its totient is φ = 7899115008.

The previous prime is 9970697117. The next prime is 9970697161. The reversal of 9970697155 is 5517960799.

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

It is a cyclic number.

It is not a de Polignac number, because 9970697155 - 2¹¹ = 9970695107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9970697155.

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, 9679774 + ... + 9680803.

It is an arithmetic number, because the mean of its divisors is an integer number (1510125084).

Almost surely, 2^9970697155 is an apocalyptic number.

9970697155 is a deficient number, since it is larger than the sum of its proper divisors (2110303517).

9970697155 is a wasteful number, since it uses less digits than its factorization.

9970697155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19360685.

The product of its (nonzero) digits is 5358150, while the sum is 58.

The square root of 9970697155 is about 99853.3782853640. The cubic root of 9970697155 is about 2152.3282623532.

The spelling of 9970697155 in words is "nine billion, nine hundred seventy million, six hundred ninety-seven thousand, one hundred fifty-five".