70377520167871 has 4 divisors (see below), whose sum is σ = 80431451620432. Its totient is φ = 60323588715312.

The previous prime is 70377520167847. The next prime is 70377520167883. The reversal of 70377520167871 is 17876102577307.

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 70377520167871 - 2⁹ = 70377520167359 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 (70377520167671) 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, 5026965726270 + ... + 5026965726283.

It is an arithmetic number, because the mean of its divisors is an integer number (20107862905108).

Almost surely, 2^{70377520167871} is an apocalyptic number.

70377520167871 is a deficient number, since it is larger than the sum of its proper divisors (10053931452561).

70377520167871 is a wasteful number, since it uses less digits than its factorization.

70377520167871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10053931452560.

The product of its (nonzero) digits is 24202080, while the sum is 61.

The spelling of 70377520167871 in words is "seventy trillion, three hundred seventy-seven billion, five hundred twenty million, one hundred sixty-seven thousand, eight hundred seventy-one".