387620416651 has 16 divisors (see below), whose sum is σ = 431661563424. Its totient is φ = 345812822784.

The previous prime is 387620416553. The next prime is 387620416661. The reversal of 387620416651 is 156614026783.

It is not a de Polignac number, because 387620416651 - 2⁷ = 387620416523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 387620416595 and 387620416604.

It is not an unprimeable number, because it can be changed into a prime (387620416661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4152226 + ... + 4244551.

It is an arithmetic number, because the mean of its divisors is an integer number (26978847714).

Almost surely, 2^387620416651 is an apocalyptic number.

387620416651 is a deficient number, since it is larger than the sum of its proper divisors (44041146773).

387620416651 is a wasteful number, since it uses less digits than its factorization.

387620416651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8396910.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 387620416651 in words is "three hundred eighty-seven billion, six hundred twenty million, four hundred sixteen thousand, six hundred fifty-one".