981872900263 has 16 divisors (see below), whose sum is σ = 986882641920. Its totient is φ = 976880091616.

The previous prime is 981872900171. The next prime is 981872900291. The reversal of 981872900263 is 362009278189.

It is a cyclic number.

It is not a de Polignac number, because 981872900263 - 2⁹ = 981872899751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981872900363) 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, 288191106 + ... + 288194512.

It is an arithmetic number, because the mean of its divisors is an integer number (61680165120).

Almost surely, 2^981872900263 is an apocalyptic number.

981872900263 is a deficient number, since it is larger than the sum of its proper divisors (5009741657).

981872900263 is a wasteful number, since it uses less digits than its factorization.

981872900263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5486.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 981872900263 in words is "nine hundred eighty-one billion, eight hundred seventy-two million, nine hundred thousand, two hundred sixty-three".