99915037 has 2 divisors, whose sum is σ = 99915038. Its totient is φ = 99915036.

The previous prime is 99915029. The next prime is 99915043. The reversal of 99915037 is 73051999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82700836 + 17214201 = 9094^2 + 4149^2 .

It is an emirp because it is prime and its reverse (73051999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99915037 - 2³ = 99915029 is a prime.

It is a super-2 number, since 2×99915037² = 19966029237422738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99914984 and 99915002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99915097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49957518 + 49957519.

It is an arithmetic number, because the mean of its divisors is an integer number (49957519).

Almost surely, 2^99915037 is an apocalyptic number.

It is an amenable number.

99915037 is a deficient number, since it is larger than the sum of its proper divisors (1).

99915037 is an equidigital number, since it uses as much as digits as its factorization.

99915037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 76545, while the sum is 43.

The square root of 99915037 is about 9995.7509472775. The cubic root of 99915037 is about 464.0273916771.

The spelling of 99915037 in words is "ninety-nine million, nine hundred fifteen thousand, thirty-seven".