68879603970 has 288 divisors, whose sum is σ = 200728015488. Its totient is φ = 16351543296.

The previous prime is 68879603963. The next prime is 68879604037. The reversal of 68879603970 is 7930697886.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 68879603898 and 68879603907.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 58027717 + ... + 58028903.

It is an arithmetic number, because the mean of its divisors is an integer number (696972276).

Almost surely, 2^68879603970 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68879603970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100364007744).

68879603970 is an abundant number, since it is smaller than the sum of its proper divisors (131848411518).

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

68879603970 is a wasteful number, since it uses less digits than its factorization.

68879603970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354 (or 1334 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 63.

The spelling of 68879603970 in words is "sixty-eight billion, eight hundred seventy-nine million, six hundred three thousand, nine hundred seventy".