70738078044077 has 4 divisors (see below), whose sum is σ = 70738704008256. Its totient is φ = 70737452079900.

The previous prime is 70738078044047. The next prime is 70738078044107. The reversal of 70738078044077 is 77044087083707.

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 an interprime number because it is at equal distance from previous prime (70738078044047) and next prime (70738078044107).

It is a cyclic number.

It is not a de Polignac number, because 70738078044077 - 2²⁰ = 70738076995501 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 (70738078044047) 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, 312812549 + ... + 313038602.

It is an arithmetic number, because the mean of its divisors is an integer number (17684676002064).

Almost surely, 2^{70738078044077} is an apocalyptic number.

It is an amenable number.

70738078044077 is a deficient number, since it is larger than the sum of its proper divisors (625964179).

70738078044077 is a wasteful number, since it uses less digits than its factorization.

70738078044077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625964178.

The product of its (nonzero) digits is 51631104, while the sum is 62.

The spelling of 70738078044077 in words is "seventy trillion, seven hundred thirty-eight billion, seventy-eight million, forty-four thousand, seventy-seven".