980692856797 has 4 divisors (see below), whose sum is σ = 980755452576. Its totient is φ = 980630261020.

The previous prime is 980692856791. The next prime is 980692856863. The reversal of 980692856797 is 797658296089.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 797658296089 = 309293 ⋅2578973.

It is a cyclic number.

It is not a de Polignac number, because 980692856797 - 2²⁷ = 980558639069 is a prime.

It is a super-2 number, since 2×980692856797² (a number of 25 digits) 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 (980692856791) 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, 31274383 + ... + 31305724.

It is an arithmetic number, because the mean of its divisors is an integer number (245188863144).

Almost surely, 2^980692856797 is an apocalyptic number.

It is an amenable number.

980692856797 is a deficient number, since it is larger than the sum of its proper divisors (62595779).

980692856797 is a wasteful number, since it uses less digits than its factorization.

980692856797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62595778.

The product of its (nonzero) digits is 823011840, while the sum is 76.

The spelling of 980692856797 in words is "nine hundred eighty billion, six hundred ninety-two million, eight hundred fifty-six thousand, seven hundred ninety-seven".