68408835502 has 32 divisors (see below), whose sum is σ = 120462939072. Its totient is φ = 28520688384.

The previous prime is 68408835497. The next prime is 68408835529. The reversal of 68408835502 is 20553880486.

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, 5242378 + ... + 5255410.

It is an arithmetic number, because the mean of its divisors is an integer number (3764466846).

Almost surely, 2^68408835502 is an apocalyptic number.

68408835502 is a deficient number, since it is larger than the sum of its proper divisors (52054103570).

68408835502 is a wasteful number, since it uses less digits than its factorization.

68408835502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23212.

The product of its (nonzero) digits is 1843200, while the sum is 49.

The spelling of 68408835502 in words is "sixty-eight billion, four hundred eight million, eight hundred thirty-five thousand, five hundred two".