99037861 has 8 divisors (see below), whose sum is σ = 112269920. Its totient is φ = 86607792.

The previous prime is 99037853. The next prime is 99037879. The reversal of 99037861 is 16873099.

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 99037861 - 2³ = 99037853 is a prime.

It is a super-2 number, since 2×99037861² = 19616995822910642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99037061) 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, 200235 + ... + 200728.

It is an arithmetic number, because the mean of its divisors is an integer number (14033740).

Almost surely, 2^99037861 is an apocalyptic number.

It is an amenable number.

99037861 is a deficient number, since it is larger than the sum of its proper divisors (13232059).

99037861 is a wasteful number, since it uses less digits than its factorization.

99037861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400995.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 99037861 is about 9951.7767760335. The cubic root of 99037861 is about 462.6654656067.

The spelling of 99037861 in words is "ninety-nine million, thirty-seven thousand, eight hundred sixty-one".