1880731047 has 16 divisors (see below), whose sum is σ = 2737534688. Its totient is φ = 1141516800.

The previous prime is 1880731037. The next prime is 1880731051. The reversal of 1880731047 is 7401370881.

It is not a de Polignac number, because 1880731047 - 2¹⁴ = 1880714663 is a prime.

It is a super-2 number, since 2×1880731047² = 7074298542299432418, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1880730996 and 1880731014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1880731007) 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, 327454 + ... + 333147.

It is an arithmetic number, because the mean of its divisors is an integer number (171095918).

Almost surely, 2^1880731047 is an apocalyptic number.

1880731047 is a deficient number, since it is larger than the sum of its proper divisors (856803641).

1880731047 is a wasteful number, since it uses less digits than its factorization.

1880731047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660690.

The product of its (nonzero) digits is 37632, while the sum is 39.

The square root of 1880731047 is about 43367.3961288893. The cubic root of 1880731047 is about 1234.3611128338.

The spelling of 1880731047 in words is "one billion, eight hundred eighty million, seven hundred thirty-one thousand, forty-seven".