70894195778 has 96 divisors (see below), whose sum is σ = 131739494400. Its totient is φ = 28448775936.

The previous prime is 70894195769. The next prime is 70894195783. The reversal of 70894195778 is 87759149807.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 96717500 + ... + 96718232.

It is an arithmetic number, because the mean of its divisors is an integer number (1372286400).

Almost surely, 2^70894195778 is an apocalyptic number.

70894195778 is a deficient number, since it is larger than the sum of its proper divisors (60845298622).

70894195778 is a wasteful number, since it uses less digits than its factorization.

70894195778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304 (or 1297 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 65.

The spelling of 70894195778 in words is "seventy billion, eight hundred ninety-four million, one hundred ninety-five thousand, seven hundred seventy-eight".