971298899 has 4 divisors (see below), whose sum is σ = 972635664. Its totient is φ = 969962136.

The previous prime is 971298883. The next prime is 971298949. The reversal of 971298899 is 998892179.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 998892179 = 271 ⋅3685949.

It is a cyclic number.

It is not a de Polignac number, because 971298899 - 2⁴ = 971298883 is a prime.

It is a super-2 number, since 2×971298899² = 1886843102397224402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (971298499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 667292 + ... + 668745.

It is an arithmetic number, because the mean of its divisors is an integer number (243158916).

Almost surely, 2^971298899 is an apocalyptic number.

971298899 is a deficient number, since it is larger than the sum of its proper divisors (1336765).

971298899 is a wasteful number, since it uses less digits than its factorization.

971298899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336764.

The product of its digits is 5878656, while the sum is 62.

The square root of 971298899 is about 31165.6685954272. The cubic root of 971298899 is about 990.3399502531.

The spelling of 971298899 in words is "nine hundred seventy-one million, two hundred ninety-eight thousand, eight hundred ninety-nine".