70870887770807 has 4 divisors (see below), whose sum is σ = 72786317170056. Its totient is φ = 68955458371560.

The previous prime is 70870887770777. The next prime is 70870887770861. The reversal of 70870887770807 is 70807778807807.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70870887770807 - 2⁴⁶ = 502143593143 is a prime.

It is a super-2 number, since 2×70870887770807² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70870887770887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 957714699569 + ... + 957714699642.

It is an arithmetic number, because the mean of its divisors is an integer number (18196579292514).

Almost surely, 2^{70870887770807} is an apocalyptic number.

70870887770807 is a deficient number, since it is larger than the sum of its proper divisors (1915429399249).

70870887770807 is a wasteful number, since it uses less digits than its factorization.

70870887770807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915429399248.

The product of its (nonzero) digits is 481890304, while the sum is 74.

The spelling of 70870887770807 in words is "seventy trillion, eight hundred seventy billion, eight hundred eighty-seven million, seven hundred seventy thousand, eight hundred seven".