87518763 has 12 divisors (see below), whose sum is σ = 126500088. Its totient is φ = 58307040.

The previous prime is 87518729. The next prime is 87518777. The reversal of 87518763 is 36781578.

It is not a de Polignac number, because 87518763 - 2⁸ = 87518507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87518663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19348 + ... + 23438.

It is an arithmetic number, because the mean of its divisors is an integer number (10541674).

Almost surely, 2^87518763 is an apocalyptic number.

87518763 is a deficient number, since it is larger than the sum of its proper divisors (38981325).

87518763 is a wasteful number, since it uses less digits than its factorization.

87518763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6474 (or 6471 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 87518763 is about 9355.1463377117. The cubic root of 87518763 is about 443.9837314468.

The spelling of 87518763 in words is "eighty-seven million, five hundred eighteen thousand, seven hundred sixty-three".