87625763 has 2 divisors, whose sum is σ = 87625764. Its totient is φ = 87625762.

The previous prime is 87625697. The next prime is 87625771. The reversal of 87625763 is 36752678.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87625763 - 2²² = 83431459 is a prime.

It is not a weakly prime, because it can be changed into another prime (87622763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43812881 + 43812882.

It is an arithmetic number, because the mean of its divisors is an integer number (43812882).

Almost surely, 2^87625763 is an apocalyptic number.

87625763 is a deficient number, since it is larger than the sum of its proper divisors (1).

87625763 is an equidigital number, since it uses as much as digits as its factorization.

87625763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 44.

The square root of 87625763 is about 9360.8633683010. The cubic root of 87625763 is about 444.1645951857.

It can be divided in two parts, 87625 and 763, that added together give a palindrome (88388).

The spelling of 87625763 in words is "eighty-seven million, six hundred twenty-five thousand, seven hundred sixty-three".