70968778100 has 72 divisors (see below), whose sum is σ = 171909601248. Its totient is φ = 25206652800.

The previous prime is 70968778099. The next prime is 70968778109. The reversal of 70968778100 is 187786907.

It is a super-2 number, since 2×70968778100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70968778109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 702899 + ... + 797498.

Almost surely, 2^70968778100 is an apocalyptic number.

It is an amenable number.

70968778100 is an abundant number, since it is smaller than the sum of its proper divisors (100940823148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70968778100 is a wasteful number, since it uses less digits than its factorization.

70968778100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500465 (or 1500458 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 53.

It can be divided in two parts, 709687 and 78100, that added together give a palindrome (787787).

The spelling of 70968778100 in words is "seventy billion, nine hundred sixty-eight million, seven hundred seventy-eight thousand, one hundred".