3992771031 has 8 divisors (see below), whose sum is σ = 5324058480. Its totient is φ = 2661665472.

The previous prime is 3992771009. The next prime is 3992771033. The reversal of 3992771031 is 1301772993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3992771031 - 2¹⁵ = 3992738263 is a prime.

It is a super-2 number, since 2×3992771031² = 31884441011985605922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3992771033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18681 + ... + 91293.

It is an arithmetic number, because the mean of its divisors is an integer number (665507310).

Almost surely, 2^3992771031 is an apocalyptic number.

3992771031 is a deficient number, since it is larger than the sum of its proper divisors (1331287449).

3992771031 is a wasteful number, since it uses less digits than its factorization.

3992771031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90945.

The product of its (nonzero) digits is 71442, while the sum is 42.

The square root of 3992771031 is about 63188.3773410902. The cubic root of 3992771031 is about 1586.4442025673. Note that the first 3 decimals are identical.

The spelling of 3992771031 in words is "three billion, nine hundred ninety-two million, seven hundred seventy-one thousand, thirty-one".