99872147051 has 2 divisors, whose sum is σ = 99872147052. Its totient is φ = 99872147050.

The previous prime is 99872147033. The next prime is 99872147101. The reversal of 99872147051 is 15074127899.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 99872147051 - 2⁶ = 99872146987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99872146984 and 99872147002.

It is not a weakly prime, because it can be changed into another prime (99872146051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49936073525 + 49936073526.

It is an arithmetic number, because the mean of its divisors is an integer number (49936073526).

Almost surely, 2^99872147051 is an apocalyptic number.

99872147051 is a deficient number, since it is larger than the sum of its proper divisors (1).

99872147051 is an equidigital number, since it uses as much as digits as its factorization.

99872147051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 53.

The spelling of 99872147051 in words is "ninety-nine billion, eight hundred seventy-two million, one hundred forty-seven thousand, fifty-one".