70078775164 has 24 divisors (see below), whose sum is σ = 135497583648. Its totient is φ = 31544409600.

The previous prime is 70078775149. The next prime is 70078775189. The reversal of 70078775164 is 46157787007.

It is a happy number.

It is a super-2 number, since 2×70078775164² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22402137 + ... + 22405264.

It is an arithmetic number, because the mean of its divisors is an integer number (5645732652).

Almost surely, 2^70078775164 is an apocalyptic number.

It is an amenable number.

70078775164 is a deficient number, since it is larger than the sum of its proper divisors (65418808484).

70078775164 is a wasteful number, since it uses less digits than its factorization.

70078775164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44807445 (or 44807443 counting only the distinct ones).

The product of its (nonzero) digits is 2304960, while the sum is 52.

The spelling of 70078775164 in words is "seventy billion, seventy-eight million, seven hundred seventy-five thousand, one hundred sixty-four".