87950501 has 4 divisors (see below), whose sum is σ = 87981900. Its totient is φ = 87919104.

The previous prime is 87950491. The next prime is 87950519. The reversal of 87950501 is 10505978.

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

It can be written as a sum of positive squares in 2 ways, for example, as 52548001 + 35402500 = 7249^2 + 5950^2 .

It is a cyclic number.

It is not a de Polignac number, because 87950501 - 2¹⁴ = 87934117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87950521) 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, 11036 + ... + 17253.

It is an arithmetic number, because the mean of its divisors is an integer number (21995475).

Almost surely, 2^87950501 is an apocalyptic number.

It is an amenable number.

87950501 is a deficient number, since it is larger than the sum of its proper divisors (31399).

87950501 is a wasteful number, since it uses less digits than its factorization.

87950501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31398.

The product of its (nonzero) digits is 12600, while the sum is 35.

The square root of 87950501 is about 9378.1928429735. The cubic root of 87950501 is about 444.7126049037.

The spelling of 87950501 in words is "eighty-seven million, nine hundred fifty thousand, five hundred one".