68777005 has 24 divisors (see below), whose sum is σ = 91929600. Its totient is φ = 49352160.

The previous prime is 68776997. The next prime is 68777021. The reversal of 68777005 is 50077786.

It is not a de Polignac number, because 68777005 - 2³ = 68776997 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47076 + ... + 48514.

It is an arithmetic number, because the mean of its divisors is an integer number (3830400).

Almost surely, 2^68777005 is an apocalyptic number.

It is an amenable number.

68777005 is a deficient number, since it is larger than the sum of its proper divisors (23152595).

68777005 is a wasteful number, since it uses less digits than its factorization.

68777005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545 (or 1534 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 40.

The square root of 68777005 is about 8293.1902787769. The cubic root of 68777005 is about 409.7142665113.

The spelling of 68777005 in words is "sixty-eight million, seven hundred seventy-seven thousand, five".