387401113775 has 24 divisors (see below), whose sum is σ = 520801562400. Its totient is φ = 284160781440.

The previous prime is 387401113747. The next prime is 387401113843. The reversal of 387401113775 is 577311104783.

It is not a de Polignac number, because 387401113775 - 2¹⁸ = 387400851631 is a prime.

It is a super-2 number, since 2×387401113775² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3951587 + ... + 4048436.

It is an arithmetic number, because the mean of its divisors is an integer number (21700065100).

Almost surely, 2^387401113775 is an apocalyptic number.

387401113775 is a deficient number, since it is larger than the sum of its proper divisors (133400448625).

387401113775 is a wasteful number, since it uses less digits than its factorization.

387401113775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8000195 (or 8000190 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 47.

The spelling of 387401113775 in words is "three hundred eighty-seven billion, four hundred one million, one hundred thirteen thousand, seven hundred seventy-five".