3892872471 has 4 divisors (see below), whose sum is σ = 5190496632. Its totient is φ = 2595248312.

The previous prime is 3892872457. The next prime is 3892872479. The reversal of 3892872471 is 1742782983.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3892872471 - 2¹³ = 3892864279 is a prime.

It is a super-5 number, since 5×3892872471⁵ (a number of 49 digits) contains 55555 as substring. Note that it is a super-d number also for d = 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3892872479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 648812076 + ... + 648812081.

It is an arithmetic number, because the mean of its divisors is an integer number (1297624158).

Almost surely, 2^3892872471 is an apocalyptic number.

3892872471 is a deficient number, since it is larger than the sum of its proper divisors (1297624161).

3892872471 is a wasteful number, since it uses less digits than its factorization.

3892872471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297624160.

The product of its digits is 1354752, while the sum is 51.

The square root of 3892872471 is about 62392.8879841284. The cubic root of 3892872471 is about 1573.1014289060.

The spelling of 3892872471 in words is "three billion, eight hundred ninety-two million, eight hundred seventy-two thousand, four hundred seventy-one".