68238877 has 16 divisors (see below), whose sum is σ = 80105472. Its totient is φ = 56916720.

The previous prime is 68238851. The next prime is 68238913. The reversal of 68238877 is 77883286.

It is not a de Polignac number, because 68238877 - 2²³ = 59850269 is a prime.

It is a super-2 number, since 2×68238877² = 9313088668442258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68238877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68238847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68928 + ... + 69910.

It is an arithmetic number, because the mean of its divisors is an integer number (5006592).

Almost surely, 2^68238877 is an apocalyptic number.

It is an amenable number.

68238877 is a deficient number, since it is larger than the sum of its proper divisors (11866595).

68238877 is a wasteful number, since it uses less digits than its factorization.

68238877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248.

The product of its digits is 903168, while the sum is 49.

The square root of 68238877 is about 8260.6825989140. The cubic root of 68238877 is about 408.6428994277.

The spelling of 68238877 in words is "sixty-eight million, two hundred thirty-eight thousand, eight hundred seventy-seven".