70785258448 has 10 divisors (see below), whose sum is σ = 137146438274. Its totient is φ = 35392629216.

The previous prime is 70785258433. The next prime is 70785258473. The reversal of 70785258448 is 84485258707.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 37825582144 + 32959676304 = 194488^2 + 181548^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70785258392 and 70785258401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2212039311 + ... + 2212039342.

Almost surely, 2^70785258448 is an apocalyptic number.

It is an amenable number.

70785258448 is a deficient number, since it is larger than the sum of its proper divisors (66361179826).

70785258448 is a wasteful number, since it uses less digits than its factorization.

70785258448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4424078661 (or 4424078655 counting only the distinct ones).

The product of its (nonzero) digits is 20070400, while the sum is 58.

The spelling of 70785258448 in words is "seventy billion, seven hundred eighty-five million, two hundred fifty-eight thousand, four hundred forty-eight".