68964787 has 8 divisors (see below), whose sum is σ = 72205056. Its totient is φ = 65744712.

The previous prime is 68964761. The next prime is 68964793. The reversal of 68964787 is 78746986.

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

It is a cyclic number.

It is not a de Polignac number, because 68964787 - 2⁷ = 68964659 is a prime.

It is a super-2 number, since 2×68964787² = 9512283691910738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68961787) 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, 2178 + ... + 11944.

It is an arithmetic number, because the mean of its divisors is an integer number (9025632).

Almost surely, 2^68964787 is an apocalyptic number.

68964787 is a deficient number, since it is larger than the sum of its proper divisors (3240269).

68964787 is a wasteful number, since it uses less digits than its factorization.

68964787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10097.

The product of its digits is 4064256, while the sum is 55.

The square root of 68964787 is about 8304.5040189044. The cubic root of 68964787 is about 410.0868089041.

It can be divided in two parts, 68964 and 787, that added together give a triangular number (69751 = T₃₇₃).

The spelling of 68964787 in words is "sixty-eight million, nine hundred sixty-four thousand, seven hundred eighty-seven".