87612963 has 4 divisors (see below), whose sum is σ = 116817288. Its totient is φ = 58408640.

The previous prime is 87612961. The next prime is 87612977. The reversal of 87612963 is 36921678.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87612963 - 2¹ = 87612961 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (87612961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14602158 + ... + 14602163.

It is an arithmetic number, because the mean of its divisors is an integer number (29204322).

Almost surely, 2^87612963 is an apocalyptic number.

87612963 is a deficient number, since it is larger than the sum of its proper divisors (29204325).

87612963 is a wasteful number, since it uses less digits than its factorization.

87612963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29204324.

The product of its digits is 108864, while the sum is 42.

The square root of 87612963 is about 9360.1796457119. The cubic root of 87612963 is about 444.1429669054.

The spelling of 87612963 in words is "eighty-seven million, six hundred twelve thousand, nine hundred sixty-three".