890566999275 has 24 divisors (see below), whose sum is σ = 1559016113904. Its totient is φ = 447029708800.

The previous prime is 890566999249. The next prime is 890566999297. The reversal of 890566999275 is 572999665098.

It is a happy number.

It is not a de Polignac number, because 890566999275 - 2⁶ = 890566999211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (75).

It is a junction number, because it is equal to n+sod(n) for n = 890566999197 and 890566999206.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 349240686 + ... + 349243235.

It is an arithmetic number, because the mean of its divisors is an integer number (64959004746).

Almost surely, 2^890566999275 is an apocalyptic number.

890566999275 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

890566999275 is a deficient number, since it is larger than the sum of its proper divisors (668449114629).

890566999275 is a wasteful number, since it uses less digits than its factorization.

890566999275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698483951 (or 698483946 counting only the distinct ones).

The product of its (nonzero) digits is 661348800, while the sum is 75.

The spelling of 890566999275 in words is "eight hundred ninety billion, five hundred sixty-six million, nine hundred ninety-nine thousand, two hundred seventy-five".