68987627 has 4 divisors (see below), whose sum is σ = 69338016. Its totient is φ = 68637240.

The previous prime is 68987621. The next prime is 68987629. The reversal of 68987627 is 72678986.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72678986 = 2 ⋅36339493.

It is a cyclic number.

It is not a de Polignac number, because 68987627 - 2¹² = 68983531 is a prime.

It is a super-2 number, since 2×68987627² = 9518585358182258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68987621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174899 + ... + 175292.

It is an arithmetic number, because the mean of its divisors is an integer number (17334504).

Almost surely, 2^68987627 is an apocalyptic number.

68987627 is a deficient number, since it is larger than the sum of its proper divisors (350389).

68987627 is a wasteful number, since it uses less digits than its factorization.

68987627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350388.

The product of its digits is 2032128, while the sum is 53.

The square root of 68987627 is about 8305.8790624473. The cubic root of 68987627 is about 410.1320752364.

The spelling of 68987627 in words is "sixty-eight million, nine hundred eighty-seven thousand, six hundred twenty-seven".