70771424077 has 4 divisors (see below), whose sum is σ = 70779810816. Its totient is φ = 70763037340.

The previous prime is 70771424071. The next prime is 70771424131. The reversal of 70771424077 is 77042417707.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70771424077 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 (70771424071) 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, 4180699 + ... + 4197592.

It is an arithmetic number, because the mean of its divisors is an integer number (17694952704).

Almost surely, 2^70771424077 is an apocalyptic number.

It is an amenable number.

70771424077 is a deficient number, since it is larger than the sum of its proper divisors (8386739).

70771424077 is an equidigital number, since it uses as much as digits as its factorization.

70771424077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8386738.

The product of its (nonzero) digits is 537824, while the sum is 46.

The spelling of 70771424077 in words is "seventy billion, seven hundred seventy-one million, four hundred twenty-four thousand, seventy-seven".