87955093 has 4 divisors (see below), whose sum is σ = 93128940. Its totient is φ = 82781248.

The previous prime is 87955069. The next prime is 87955097. The reversal of 87955093 is 39055978.

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 76073284 + 11881809 = 8722^2 + 3447^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87955093 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 (87955097) 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, 2586898 + ... + 2586931.

It is an arithmetic number, because the mean of its divisors is an integer number (23282235).

Almost surely, 2^87955093 is an apocalyptic number.

It is an amenable number.

87955093 is a deficient number, since it is larger than the sum of its proper divisors (5173847).

87955093 is a wasteful number, since it uses less digits than its factorization.

87955093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5173846.

The product of its (nonzero) digits is 340200, while the sum is 46.

The square root of 87955093 is about 9378.4376630652. The cubic root of 87955093 is about 444.7203444266.

The spelling of 87955093 in words is "eighty-seven million, nine hundred fifty-five thousand, ninety-three".