70780052317 has 16 divisors (see below), whose sum is σ = 80358808320. Its totient is φ = 61850460672.

The previous prime is 70780052303. The next prime is 70780052341. The reversal of 70780052317 is 71325008707.

It is not a de Polignac number, because 70780052317 - 2¹¹ = 70780050269 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 70780052317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70780050317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1191217 + ... + 1249222.

It is an arithmetic number, because the mean of its divisors is an integer number (5022425520).

Almost surely, 2^70780052317 is an apocalyptic number.

It is an amenable number.

70780052317 is a deficient number, since it is larger than the sum of its proper divisors (9578756003).

70780052317 is a wasteful number, since it uses less digits than its factorization.

70780052317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440572.

The product of its (nonzero) digits is 82320, while the sum is 40.

The spelling of 70780052317 in words is "seventy billion, seven hundred eighty million, fifty-two thousand, three hundred seventeen".