It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-99999755 is a prime.
It is a nialpdrome in base 10.
It is an unprimeable number.
Almost surely, 299999755 is an apocalyptic number.
99999755 is a gapful number since it is divisible by the number (95) formed by its first and last digit.
99999755 is a wasteful number, since it uses less digits than its factorization.
99999755 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1052653.
The square root of 99999755 is about 9999.9877499925. The cubic root of 99999755 is about 464.1585042979.
The spelling of 99999755 in words is "ninety-nine million, nine hundred ninety-nine thousand, seven hundred fifty-five".