845514075988 has 6 divisors (see below), whose sum is σ = 1479649632986. Its totient is φ = 422757037992.

The previous prime is 845514075943. The next prime is 845514076027. The reversal of 845514075988 is 889570415548.

845514075988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 836277328324 + 9236747664 = 914482^2 + 96108^2 .

It is a super-2 number, since 2×845514075988² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105689259495 + ... + 105689259502.

Almost surely, 2^845514075988 is an apocalyptic number.

It is an amenable number.

845514075988 is a deficient number, since it is larger than the sum of its proper divisors (634135556998).

845514075988 is a wasteful number, since it uses less digits than its factorization.

845514075988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211378519001 (or 211378518999 counting only the distinct ones).

The product of its (nonzero) digits is 64512000, while the sum is 64.

The spelling of 845514075988 in words is "eight hundred forty-five billion, five hundred fourteen million, seventy-five thousand, nine hundred eighty-eight".