68850831 has 24 divisors (see below), whose sum is σ = 107793840. Its totient is φ = 38973312.

The previous prime is 68850829. The next prime is 68850853. The reversal of 68850831 is 13805886.

It is a happy number.

It is not a de Polignac number, because 68850831 - 2¹ = 68850829 is a prime.

It is a super-2 number, since 2×68850831² = 9480873858781122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68850831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68850871) 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, 13875 + ... + 18171.

It is an arithmetic number, because the mean of its divisors is an integer number (4491410).

Almost surely, 2^68850831 is an apocalyptic number.

68850831 is a deficient number, since it is larger than the sum of its proper divisors (38943009).

68850831 is a wasteful number, since it uses less digits than its factorization.

68850831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4423 (or 4416 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 68850831 is about 8297.6400861932. The cubic root of 68850831 is about 409.8608113689.

The spelling of 68850831 in words is "sixty-eight million, eight hundred fifty thousand, eight hundred thirty-one".