387498780036 has 45 divisors (see below), whose sum is σ = 1013027646631. Its totient is φ = 129162525048.

The previous prime is 387498780001. The next prime is 387498780041. The reversal of 387498780036 is 630087894783.

The square root of 387498780036 is 622494.

It is a perfect power (a square), and thus also a powerful number.

387498780036 is a `hidden beast` number, since 38 + 7 + 498 + 7 + 80 + 0 + 36 = 666.

It is a super-2 number, since 2×387498780036² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 11187601 + ... + 11222183.

Almost surely, 2^387498780036 is an apocalyptic number.

387498780036 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

387498780036 is the 622494-th square number.

It is an amenable number.

387498780036 is an abundant number, since it is smaller than the sum of its proper divisors (625528866595).

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

387498780036 is an frugal number, since it uses more digits than its factorization.

387498780036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69182 (or 34588 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 387498780036 in words is "three hundred eighty-seven billion, four hundred ninety-eight million, seven hundred eighty thousand, thirty-six".