36620736387 has 16 divisors (see below), whose sum is σ = 50419074048. Its totient is φ = 23618622240.

The previous prime is 36620736359. The next prime is 36620736403. The reversal of 36620736387 is 78363702663.

It is a happy number.

It is not a de Polignac number, because 36620736387 - 2⁶ = 36620736323 is a prime.

It is a super-3 number, since 3×36620736387³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (36620736307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231913 + ... + 356405.

It is an arithmetic number, because the mean of its divisors is an integer number (3151192128).

Almost surely, 2^36620736387 is an apocalyptic number.

36620736387 is a deficient number, since it is larger than the sum of its proper divisors (13798337661).

36620736387 is a wasteful number, since it uses less digits than its factorization.

36620736387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127690.

The product of its (nonzero) digits is 4572288, while the sum is 51.

The spelling of 36620736387 in words is "thirty-six billion, six hundred twenty million, seven hundred thirty-six thousand, three hundred eighty-seven".