36387780650 has 96 divisors (see below), whose sum is σ = 77430460800. Its totient is φ = 12611116800.

The previous prime is 36387780641. The next prime is 36387780739. The reversal of 36387780650 is 5608778363.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 36387780592 and 36387780601.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1332635 + ... + 1359665.

It is an arithmetic number, because the mean of its divisors is an integer number (806567300).

Almost surely, 2^36387780650 is an apocalyptic number.

36387780650 is an abundant number, since it is smaller than the sum of its proper divisors (41042680150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36387780650 is a wasteful number, since it uses less digits than its factorization.

36387780650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27184 (or 27179 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 36387780650 in words is "thirty-six billion, three hundred eighty-seven million, seven hundred eighty thousand, six hundred fifty".