386987155775 has 24 divisors (see below), whose sum is σ = 523518878064. Its totient is φ = 281428646400.

The previous prime is 386987155769. The next prime is 386987155781. The reversal of 386987155775 is 577551789683.

It is an interprime number because it is at equal distance from previous prime (386987155769) and next prime (386987155781).

It is not a de Polignac number, because 386987155775 - 2²⁰ = 386986107199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 386987155699 and 386987155708.

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, 6541127 + ... + 6600023.

It is an arithmetic number, because the mean of its divisors is an integer number (21813286586).

Almost surely, 2^386987155775 is an apocalyptic number.

386987155775 is a deficient number, since it is larger than the sum of its proper divisors (136531722289).

386987155775 is a wasteful number, since it uses less digits than its factorization.

386987155775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82811 (or 82806 counting only the distinct ones).

The product of its digits is 444528000, while the sum is 71.

The spelling of 386987155775 in words is "three hundred eighty-six billion, nine hundred eighty-seven million, one hundred fifty-five thousand, seven hundred seventy-five".