70794878797 has 8 divisors (see below), whose sum is σ = 71090675352. Its totient is φ = 70499688000.

The previous prime is 70794878789. The next prime is 70794878821. The reversal of 70794878797 is 79787849707.

It can be written as a sum of positive squares in 4 ways, for example, as 4233974761 + 66560904036 = 65069^2 + 257994^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70794878797 - 2³ = 70794878789 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 (70794878197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83547 + ... + 385447.

It is an arithmetic number, because the mean of its divisors is an integer number (8886334419).

Almost surely, 2^70794878797 is an apocalyptic number.

It is an amenable number.

70794878797 is a deficient number, since it is larger than the sum of its proper divisors (295796555).

70794878797 is a wasteful number, since it uses less digits than its factorization.

70794878797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302879.

The product of its (nonzero) digits is 348509952, while the sum is 73.

The spelling of 70794878797 in words is "seventy billion, seven hundred ninety-four million, eight hundred seventy-eight thousand, seven hundred ninety-seven".