99860051 has 8 divisors (see below), whose sum is σ = 102513264. Its totient is φ = 97217280.

The previous prime is 99860041. The next prime is 99860107. The reversal of 99860051 is 15006899.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99860051 - 2¹⁰ = 99859027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99859987 and 99860014.

It is not an unprimeable number, because it can be changed into a prime (99860041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19115 + ... + 23771.

It is an arithmetic number, because the mean of its divisors is an integer number (12814158).

Almost surely, 2^99860051 is an apocalyptic number.

99860051 is a deficient number, since it is larger than the sum of its proper divisors (2653213).

99860051 is a wasteful number, since it uses less digits than its factorization.

99860051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5221.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 99860051 is about 9993.0001000700. Note that the first 3 decimals coincide. The cubic root of 99860051 is about 463.9422537009.

The spelling of 99860051 in words is "ninety-nine million, eight hundred sixty thousand, fifty-one".