887961497 has 2 divisors, whose sum is σ = 887961498. Its totient is φ = 887961496.

The previous prime is 887961479. The next prime is 887961517. The reversal of 887961497 is 794169788.

Together with previous prime (887961479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 825930121 + 62031376 = 28739^2 + 7876^2 .

It is a cyclic number.

It is not a de Polignac number, because 887961497 - 2⁶ = 887961433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (887961407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 443980748 + 443980749.

It is an arithmetic number, because the mean of its divisors is an integer number (443980749).

Almost surely, 2^887961497 is an apocalyptic number.

It is an amenable number.

887961497 is a deficient number, since it is larger than the sum of its proper divisors (1).

887961497 is an equidigital number, since it uses as much as digits as its factorization.

887961497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 59.

The square root of 887961497 is about 29798.6828064598. The cubic root of 887961497 is about 961.1652145436.

The spelling of 887961497 in words is "eight hundred eighty-seven million, nine hundred sixty-one thousand, four hundred ninety-seven".