1825776863 has 12 divisors (see below), whose sum is σ = 1986810672. Its totient is φ = 1676455680.

The previous prime is 1825776859. The next prime is 1825776893. The reversal of 1825776863 is 3686775281.

It is not a de Polignac number, because 1825776863 - 2² = 1825776859 is a prime.

It is a super-4 number, since 4×1825776863⁴ (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1825776833) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65195 + ... + 88892.

It is an arithmetic number, because the mean of its divisors is an integer number (165567556).

Almost surely, 2^1825776863 is an apocalyptic number.

1825776863 is a deficient number, since it is larger than the sum of its proper divisors (161033809).

1825776863 is a wasteful number, since it uses less digits than its factorization.

1825776863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154162 (or 154145 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 53.

The square root of 1825776863 is about 42729.1102528475. The cubic root of 1825776863 is about 1222.2195693628.

It can be divided in two parts, 1825 and 776863, that added together give a cube (778688 = 92³).

The spelling of 1825776863 in words is "one billion, eight hundred twenty-five million, seven hundred seventy-six thousand, eight hundred sixty-three".