87100355 has 4 divisors (see below), whose sum is σ = 104520432. Its totient is φ = 69680280.

The previous prime is 87100337. The next prime is 87100357. The reversal of 87100355 is 55300178.

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

It is not a de Polignac number, because 87100355 - 2⁶ = 87100291 is a prime.

It is a super-2 number, since 2×87100355² = 15172943682252050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87100357) 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, 8710031 + ... + 8710040.

It is an arithmetic number, because the mean of its divisors is an integer number (26130108).

Almost surely, 2^87100355 is an apocalyptic number.

87100355 is a deficient number, since it is larger than the sum of its proper divisors (17420077).

87100355 is a wasteful number, since it uses less digits than its factorization.

87100355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17420076.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 87100355 is about 9332.7570953068. The cubic root of 87100355 is about 443.2750713319.

The spelling of 87100355 in words is "eighty-seven million, one hundred thousand, three hundred fifty-five".