68880284 has 24 divisors (see below), whose sum is σ = 133984368. Its totient is φ = 30717440.

The previous prime is 68880271. The next prime is 68880299. The reversal of 68880284 is 48208886.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12437 + ... + 17100.

It is an arithmetic number, because the mean of its divisors is an integer number (5582682).

Almost surely, 2^68880284 is an apocalyptic number.

It is an amenable number.

68880284 is a deficient number, since it is larger than the sum of its proper divisors (65104084).

68880284 is a wasteful number, since it uses less digits than its factorization.

68880284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29605 (or 29603 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 44.

The square root of 68880284 is about 8299.4146781565. The cubic root of 68880284 is about 409.9192464397.

It can be divided in two parts, 688802 and 84, that added together give a palindrome (688886).

The spelling of 68880284 in words is "sixty-eight million, eight hundred eighty thousand, two hundred eighty-four".