68203703085 has 64 divisors (see below), whose sum is σ = 130187685888. Its totient is φ = 29811792384.

The previous prime is 68203703063. The next prime is 68203703101. The reversal of 68203703085 is 58030730286.

It is not a de Polignac number, because 68203703085 - 2⁶ = 68203703021 is a prime.

It is a super-2 number, since 2×68203703085² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10533409 + ... + 10539881.

It is an arithmetic number, because the mean of its divisors is an integer number (2034182592).

Almost surely, 2^68203703085 is an apocalyptic number.

It is an amenable number.

68203703085 is a deficient number, since it is larger than the sum of its proper divisors (61983982803).

68203703085 is a wasteful number, since it uses less digits than its factorization.

68203703085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10874.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 68203703085 in words is "sixty-eight billion, two hundred three million, seven hundred three thousand, eighty-five".