3891375455 has 16 divisors (see below), whose sum is σ = 5165918208. Its totient is φ = 2790228000.

The previous prime is 3891375437. The next prime is 3891375457. The reversal of 3891375455 is 5545731983.

It is not a de Polignac number, because 3891375455 - 2¹² = 3891371359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3891375457) 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, 494351 + ... + 502160.

It is an arithmetic number, because the mean of its divisors is an integer number (322869888).

Almost surely, 2^3891375455 is an apocalyptic number.

3891375455 is a deficient number, since it is larger than the sum of its proper divisors (1274542753).

3891375455 is a wasteful number, since it uses less digits than its factorization.

3891375455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996598.

The product of its digits is 2268000, while the sum is 50.

The square root of 3891375455 is about 62380.8901427352. The cubic root of 3891375455 is about 1572.8997560659.

The spelling of 3891375455 in words is "three billion, eight hundred ninety-one million, three hundred seventy-five thousand, four hundred fifty-five".