87297436 has 6 divisors (see below), whose sum is σ = 152770520. Its totient is φ = 43648716.

The previous prime is 87297407. The next prime is 87297437. The reversal of 87297436 is 63479278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87297437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10912176 + ... + 10912183.

Almost surely, 2^87297436 is an apocalyptic number.

It is an amenable number.

87297436 is a deficient number, since it is larger than the sum of its proper divisors (65473084).

87297436 is a wasteful number, since it uses less digits than its factorization.

87297436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21824363 (or 21824361 counting only the distinct ones).

The product of its digits is 508032, while the sum is 46.

The square root of 87297436 is about 9343.3096919668. The cubic root of 87297436 is about 443.6091506695.

The spelling of 87297436 in words is "eighty-seven million, two hundred ninety-seven thousand, four hundred thirty-six".