7097998837 has 4 divisors (see below), whose sum is σ = 7160813100. Its totient is φ = 7035184576.

The previous prime is 7097998819. The next prime is 7097998841. The reversal of 7097998837 is 7388997907.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2518634596 + 4579364241 = 50186^2 + 67671^2 .

It is a cyclic number.

It is not a de Polignac number, because 7097998837 - 2²⁷ = 6963781109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7097998867) 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, 31406962 + ... + 31407187.

It is an arithmetic number, because the mean of its divisors is an integer number (1790203275).

Almost surely, 2^7097998837 is an apocalyptic number.

It is an amenable number.

7097998837 is a deficient number, since it is larger than the sum of its proper divisors (62814263).

7097998837 is a wasteful number, since it uses less digits than its factorization.

7097998837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62814262.

The product of its (nonzero) digits is 48009024, while the sum is 67.

The square root of 7097998837 is about 84249.6221771944. The cubic root of 7097998837 is about 1921.8167516299.

The spelling of 7097998837 in words is "seven billion, ninety-seven million, nine hundred ninety-eight thousand, eight hundred thirty-seven".