87750755 has 4 divisors (see below), whose sum is σ = 105300912. Its totient is φ = 70200600.

The previous prime is 87750713. The next prime is 87750763. The reversal of 87750755 is 55705778.

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

It is not a de Polignac number, because 87750755 - 2⁸ = 87750499 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8775071 + ... + 8775080.

It is an arithmetic number, because the mean of its divisors is an integer number (26325228).

Almost surely, 2^87750755 is an apocalyptic number.

87750755 is a deficient number, since it is larger than the sum of its proper divisors (17550157).

87750755 is a wasteful number, since it uses less digits than its factorization.

87750755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17550156.

The product of its (nonzero) digits is 343000, while the sum is 44.

The square root of 87750755 is about 9367.5372964296. The cubic root of 87750755 is about 444.3756847216.

The spelling of 87750755 in words is "eighty-seven million, seven hundred fifty thousand, seven hundred fifty-five".