70856577807 has 4 divisors (see below), whose sum is σ = 94475437080. Its totient is φ = 47237718536.

The previous prime is 70856577787. The next prime is 70856577809. The reversal of 70856577807 is 70877565807.

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 70856577807 - 2¹⁰ = 70856576783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70856577809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11809429632 + ... + 11809429637.

It is an arithmetic number, because the mean of its divisors is an integer number (23618859270).

Almost surely, 2^70856577807 is an apocalyptic number.

70856577807 is a deficient number, since it is larger than the sum of its proper divisors (23618859273).

70856577807 is a wasteful number, since it uses less digits than its factorization.

70856577807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23618859272.

The product of its (nonzero) digits is 23049600, while the sum is 60.

The spelling of 70856577807 in words is "seventy billion, eight hundred fifty-six million, five hundred seventy-seven thousand, eight hundred seven".