68070777 has 8 divisors (see below), whose sum is σ = 94707264. Its totient is φ = 43407408.

The previous prime is 68070773. The next prime is 68070781. The reversal of 68070777 is 77707086.

It is an interprime number because it is at equal distance from previous prime (68070773) and next prime (68070781).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68070777 - 2² = 68070773 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (68070773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493198 + ... + 493335.

It is an arithmetic number, because the mean of its divisors is an integer number (11838408).

Almost surely, 2^68070777 is an apocalyptic number.

It is an amenable number.

68070777 is a deficient number, since it is larger than the sum of its proper divisors (26636487).

68070777 is a wasteful number, since it uses less digits than its factorization.

68070777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986559.

The product of its (nonzero) digits is 115248, while the sum is 42.

The square root of 68070777 is about 8250.5016211137. The cubic root of 68070777 is about 408.3070725117.

The spelling of 68070777 in words is "sixty-eight million, seventy thousand, seven hundred seventy-seven".