68886428 has 36 divisors (see below), whose sum is σ = 131492088. Its totient is φ = 31561920.

The previous prime is 68886409. The next prime is 68886439. The reversal of 68886428 is 82468886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122075 + ... + 122637.

It is an arithmetic number, because the mean of its divisors is an integer number (3652558).

Almost surely, 2^68886428 is an apocalyptic number.

It is an amenable number.

68886428 is a deficient number, since it is larger than the sum of its proper divisors (62605660).

68886428 is a wasteful number, since it uses less digits than its factorization.

68886428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774 (or 759 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 50.

The square root of 68886428 is about 8299.7848164877. The cubic root of 68886428 is about 409.9314341022.

The spelling of 68886428 in words is "sixty-eight million, eight hundred eighty-six thousand, four hundred twenty-eight".