70846043977 has 4 divisors (see below), whose sum is σ = 72007454596. Its totient is φ = 69684633360.

The previous prime is 70846043971. The next prime is 70846043981. The reversal of 70846043977 is 77934064807.

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

It can be written as a sum of positive squares in 2 ways, for example, as 30293750601 + 40552293376 = 174051^2 + 201376^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70846043977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70846043971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580705218 + ... + 580705339.

It is an arithmetic number, because the mean of its divisors is an integer number (18001863649).

Almost surely, 2^70846043977 is an apocalyptic number.

It is an amenable number.

70846043977 is a deficient number, since it is larger than the sum of its proper divisors (1161410619).

70846043977 is a wasteful number, since it uses less digits than its factorization.

70846043977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161410618.

The product of its (nonzero) digits is 7112448, while the sum is 55.

The spelling of 70846043977 in words is "seventy billion, eight hundred forty-six million, forty-three thousand, nine hundred seventy-seven".