87497963 has 16 divisors (see below), whose sum is σ = 106329024. Its totient is φ = 70287360.

The previous prime is 87497953. The next prime is 87497981. The reversal of 87497963 is 36979478.

It is a cyclic number.

It is not a de Polignac number, because 87497963 - 2¹⁶ = 87432427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87497953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29153 + ... + 32013.

It is an arithmetic number, because the mean of its divisors is an integer number (6645564).

Almost surely, 2^87497963 is an apocalyptic number.

87497963 is a deficient number, since it is larger than the sum of its proper divisors (18831061).

87497963 is a wasteful number, since it uses less digits than its factorization.

87497963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3142.

The product of its digits is 2286144, while the sum is 53.

The square root of 87497963 is about 9354.0345840712. The cubic root of 87497963 is about 443.9485557770.

The spelling of 87497963 in words is "eighty-seven million, four hundred ninety-seven thousand, nine hundred sixty-three".