70627957823 has 4 divisors (see below), whose sum is σ = 70629369840. Its totient is φ = 70626545808.

The previous prime is 70627957819. The next prime is 70627957831. The reversal of 70627957823 is 32875972607.

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 70627957823 - 2² = 70627957819 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70627917823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 628115 + ... + 731972.

It is an arithmetic number, because the mean of its divisors is an integer number (17657342460).

Almost surely, 2^70627957823 is an apocalyptic number.

70627957823 is a deficient number, since it is larger than the sum of its proper divisors (1412017).

70627957823 is a wasteful number, since it uses less digits than its factorization.

70627957823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412016.

The product of its (nonzero) digits is 8890560, while the sum is 56.

The spelling of 70627957823 in words is "seventy billion, six hundred twenty-seven million, nine hundred fifty-seven thousand, eight hundred twenty-three".