87097061 has 2 divisors, whose sum is σ = 87097062. Its totient is φ = 87097060.

The previous prime is 87097057. The next prime is 87097093. The reversal of 87097061 is 16079078.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70040161 + 17056900 = 8369^2 + 4130^2 .

It is a cyclic number.

It is not a de Polignac number, because 87097061 - 2² = 87097057 is a prime.

It is a super-3 number, since 3×87097061³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87097861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43548530 + 43548531.

It is an arithmetic number, because the mean of its divisors is an integer number (43548531).

Almost surely, 2^87097061 is an apocalyptic number.

It is an amenable number.

87097061 is a deficient number, since it is larger than the sum of its proper divisors (1).

87097061 is an equidigital number, since it uses as much as digits as its factorization.

87097061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 87097061 is about 9332.5806184570. The cubic root of 87097061 is about 443.2694832701.

The spelling of 87097061 in words is "eighty-seven million, ninety-seven thousand, sixty-one".