87654349 has 2 divisors, whose sum is σ = 87654350. Its totient is φ = 87654348.

The previous prime is 87654337. The next prime is 87654361. The reversal of 87654349 is 94345678.

It is a balanced prime because it is at equal distance from previous prime (87654337) and next prime (87654361).

It can be written as a sum of positive squares in only one way, i.e., 66096900 + 21557449 = 8130^2 + 4643^2 .

It is a cyclic number.

It is not a de Polignac number, because 87654349 - 2⁹ = 87653837 is a prime.

It is a super-2 number, since 2×87654349² = 15366569797227602, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 87654299 and 87654308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87654319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43827174 + 43827175.

It is an arithmetic number, because the mean of its divisors is an integer number (43827175).

Almost surely, 2^87654349 is an apocalyptic number.

It is an amenable number.

87654349 is a deficient number, since it is larger than the sum of its proper divisors (1).

87654349 is an equidigital number, since it uses as much as digits as its factorization.

87654349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 46.

The square root of 87654349 is about 9362.3901328667. The cubic root of 87654349 is about 444.2128896151.

It can be divided in two parts, 876 and 54349, that added together give a square (55225 = 235²).

The spelling of 87654349 in words is "eighty-seven million, six hundred fifty-four thousand, three hundred forty-nine".