68862453 has 16 divisors (see below), whose sum is σ = 100402176. Its totient is φ = 41635440.

The previous prime is 68862449. The next prime is 68862463. The reversal of 68862453 is 35426886.

It is not a de Polignac number, because 68862453 - 2² = 68862449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68862413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13026 + ... + 17532.

It is an arithmetic number, because the mean of its divisors is an integer number (6275136).

Almost surely, 2^68862453 is an apocalyptic number.

It is an amenable number.

68862453 is a deficient number, since it is larger than the sum of its proper divisors (31539723).

68862453 is a wasteful number, since it uses less digits than its factorization.

68862453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4984.

The product of its digits is 276480, while the sum is 42.

The square root of 68862453 is about 8298.3403762439. The cubic root of 68862453 is about 409.8838715328.

It can be divided in two parts, 6886 and 2453, that added together give a palindrome (9339).

The spelling of 68862453 in words is "sixty-eight million, eight hundred sixty-two thousand, four hundred fifty-three".