68887440261274 has 4 divisors (see below), whose sum is σ = 103331160391914. Its totient is φ = 34443720130636.

The previous prime is 68887440261259. The next prime is 68887440261281. The reversal of 68887440261274 is 47216204478886.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 53242195725625 + 15645244535649 = 7296725^2 + 3955407^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17221860065317 + ... + 17221860065320.

Almost surely, 2^{68887440261274} is an apocalyptic number.

68887440261274 is a deficient number, since it is larger than the sum of its proper divisors (34443720130640).

68887440261274 is a wasteful number, since it uses less digits than its factorization.

68887440261274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34443720130639.

The product of its (nonzero) digits is 231211008, while the sum is 67.

The spelling of 68887440261274 in words is "sixty-eight trillion, eight hundred eighty-seven billion, four hundred forty million, two hundred sixty-one thousand, two hundred seventy-four".