68867473542 has 32 divisors (see below), whose sum is σ = 157432315392. Its totient is φ = 19673802624.

The previous prime is 68867473489. The next prime is 68867473559. The reversal of 68867473542 is 24537476886.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222103 + ... + 432509.

It is an arithmetic number, because the mean of its divisors is an integer number (4919759856).

Almost surely, 2^68867473542 is an apocalyptic number.

68867473542 is an abundant number, since it is smaller than the sum of its proper divisors (88564841850).

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

68867473542 is a wasteful number, since it uses less digits than its factorization.

68867473542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218212.

The product of its digits is 54190080, while the sum is 60.

The spelling of 68867473542 in words is "sixty-eight billion, eight hundred sixty-seven million, four hundred seventy-three thousand, five hundred forty-two".