70800916688 has 20 divisors (see below), whose sum is σ = 137182412100. Its totient is φ = 35399003904.

The previous prime is 70800916687. The next prime is 70800916729. The reversal of 70800916688 is 88661900807.

It can be written as a sum of positive squares in 2 ways, for example, as 65041321024 + 5759595664 = 255032^2 + 75892^2 .

It is a super-4 number, since 4×70800916688⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70800916687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386756 + ... + 539612.

It is an arithmetic number, because the mean of its divisors is an integer number (6859120605).

Almost surely, 2^70800916688 is an apocalyptic number.

It is an amenable number.

70800916688 is a deficient number, since it is larger than the sum of its proper divisors (66381495412).

70800916688 is a wasteful number, since it uses less digits than its factorization.

70800916688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181814 (or 181808 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 53.

The spelling of 70800916688 in words is "seventy billion, eight hundred million, nine hundred sixteen thousand, six hundred eighty-eight".