380428374842671 has 16 divisors (see below), whose sum is σ = 399703466444800. Its totient is φ = 361622473043040.

The previous prime is 380428374842657. The next prime is 380428374842687. The reversal of 380428374842671 is 176248473824083.

It is a cyclic number.

It is not a de Polignac number, because 380428374842671 - 2¹¹ = 380428374840623 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 380428374842597 and 380428374842606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380428374842471) 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, 261685491 + ... + 263135236.

It is an arithmetic number, because the mean of its divisors is an integer number (24981466652800).

Almost surely, 2^{380428374842671} is an apocalyptic number.

380428374842671 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

380428374842671 is a deficient number, since it is larger than the sum of its proper divisors (19275091602129).

380428374842671 is a wasteful number, since it uses less digits than its factorization.

380428374842671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524821174.

The product of its (nonzero) digits is 346816512, while the sum is 67.

The spelling of 380428374842671 in words is "three hundred eighty trillion, four hundred twenty-eight billion, three hundred seventy-four million, eight hundred forty-two thousand, six hundred seventy-one".