70866171012457 has 8 divisors (see below), whose sum is σ = 71006278302720. Its totient is φ = 70726167012480.

The previous prime is 70866171012451. The next prime is 70866171012463. The reversal of 70866171012457 is 75421017166807.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70866171012451) and next prime (70866171012463).

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 70866171012457 - 2²³ = 70866162623849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70866171012398 and 70866171012407.

It is not an unprimeable number, because it can be changed into a prime (70866171012451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24448969 + ... + 27193462.

It is an arithmetic number, because the mean of its divisors is an integer number (8875784787840).

Almost surely, 2^{70866171012457} is an apocalyptic number.

It is an amenable number.

70866171012457 is a deficient number, since it is larger than the sum of its proper divisors (140107290263).

70866171012457 is a wasteful number, since it uses less digits than its factorization.

70866171012457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51645143.

The product of its (nonzero) digits is 3951360, while the sum is 55.

The spelling of 70866171012457 in words is "seventy trillion, eight hundred sixty-six billion, one hundred seventy-one million, twelve thousand, four hundred fifty-seven".