36868400668687 has 32 divisors (see below), whose sum is σ = 43927512367104. Its totient is φ = 30277667376000.

The previous prime is 36868400668639. The next prime is 36868400668769. The reversal of 36868400668687 is 78686600486863.

It is a cyclic number.

It is not a de Polignac number, because 36868400668687 - 2⁴³ = 28072307646479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36868400665687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 577634458 + ... + 577698280.

It is an arithmetic number, because the mean of its divisors is an integer number (1372734761472).

Almost surely, 2^{36868400668687} is an apocalyptic number.

36868400668687 is a deficient number, since it is larger than the sum of its proper divisors (7059111698417).

36868400668687 is a wasteful number, since it uses less digits than its factorization.

36868400668687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90319.

The product of its (nonzero) digits is 2675441664, while the sum is 76.

The spelling of 36868400668687 in words is "thirty-six trillion, eight hundred sixty-eight billion, four hundred million, six hundred sixty-eight thousand, six hundred eighty-seven".