87758053 has 4 divisors (see below), whose sum is σ = 87793740. Its totient is φ = 87722368.

The previous prime is 87758051. The next prime is 87758101. The reversal of 87758053 is 35085778.

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 18818244 + 68939809 = 4338^2 + 8303^2 .

It is a cyclic number.

It is not a de Polignac number, because 87758053 - 2¹ = 87758051 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 (87758051) 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, 13858 + ... + 19171.

It is an arithmetic number, because the mean of its divisors is an integer number (21948435).

Almost surely, 2^87758053 is an apocalyptic number.

It is an amenable number.

87758053 is a deficient number, since it is larger than the sum of its proper divisors (35687).

87758053 is a wasteful number, since it uses less digits than its factorization.

87758053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35686.

The product of its (nonzero) digits is 235200, while the sum is 43.

The square root of 87758053 is about 9367.9268250771. The cubic root of 87758053 is about 444.3880035666.

The spelling of 87758053 in words is "eighty-seven million, seven hundred fifty-eight thousand, fifty-three".