87262697 has 2 divisors, whose sum is σ = 87262698. Its totient is φ = 87262696.

The previous prime is 87262663. The next prime is 87262699. The reversal of 87262697 is 79626278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51609856 + 35652841 = 7184^2 + 5971^2 .

It is a cyclic number.

It is not a de Polignac number, because 87262697 - 2⁶ = 87262633 is a prime.

It is a super-2 number, since 2×87262697² = 15229556575427618, which contains 22 as substring.

Together with 87262699, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87262699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43631348 + 43631349.

It is an arithmetic number, because the mean of its divisors is an integer number (43631349).

Almost surely, 2^87262697 is an apocalyptic number.

It is an amenable number.

87262697 is a deficient number, since it is larger than the sum of its proper divisors (1).

87262697 is an equidigital number, since it uses as much as digits as its factorization.

87262697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 47.

The square root of 87262697 is about 9341.4504762376. The cubic root of 87262697 is about 443.5502998273.

The spelling of 87262697 in words is "eighty-seven million, two hundred sixty-two thousand, six hundred ninety-seven".