68779365 has 16 divisors (see below), whose sum is σ = 116520768. Its totient is φ = 34524416.

The previous prime is 68779363. The next prime is 68779367. The reversal of 68779365 is 56397786.

It is an interprime number because it is at equal distance from previous prime (68779363) and next prime (68779367).

It is not a de Polignac number, because 68779365 - 2¹ = 68779363 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68779363) 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, 134607 + ... + 135116.

It is an arithmetic number, because the mean of its divisors is an integer number (7282548).

Almost surely, 2^68779365 is an apocalyptic number.

It is an amenable number.

68779365 is a deficient number, since it is larger than the sum of its proper divisors (47741403).

68779365 is a wasteful number, since it uses less digits than its factorization.

68779365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269748.

The product of its digits is 1905120, while the sum is 51.

The square root of 68779365 is about 8293.3325629689. The cubic root of 68779365 is about 409.7189527414.

The spelling of 68779365 in words is "sixty-eight million, seven hundred seventy-nine thousand, three hundred sixty-five".