70787174643 has 12 divisors (see below), whose sum is σ = 104871936520. Its totient is φ = 47190528108.

The previous prime is 70787174621. The next prime is 70787174663. The reversal of 70787174643 is 34647178707.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 70787174643 - 2¹⁸ = 70786912499 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 70787174643.

It is not an unprimeable number, because it can be changed into a prime (70787174663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1356880 + ... + 1408082.

Almost surely, 2^70787174643 is an apocalyptic number.

70787174643 is a deficient number, since it is larger than the sum of its proper divisors (34084761877).

70787174643 is an frugal number, since it uses more digits than its factorization.

70787174643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102415 (or 51206 counting only the distinct ones).

The product of its (nonzero) digits is 5531904, while the sum is 54.

The spelling of 70787174643 in words is "seventy billion, seven hundred eighty-seven million, one hundred seventy-four thousand, six hundred forty-three".