797011138 has 32 divisors (see below), whose sum is σ = 1518652800. Its totient is φ = 304661760.

The previous prime is 797011133. The next prime is 797011151. The reversal of 797011138 is 831110797.

It is a junction number, because it is equal to n+sod(n) for n = 797011097 and 797011106.

It is not an unprimeable number, because it can be changed into a prime (797011133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40663 + ... + 56986.

It is an arithmetic number, because the mean of its divisors is an integer number (47457900).

Almost surely, 2^797011138 is an apocalyptic number.

797011138 is a deficient number, since it is larger than the sum of its proper divisors (721641662).

797011138 is a wasteful number, since it uses less digits than its factorization.

797011138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97722.

The product of its (nonzero) digits is 10584, while the sum is 37.

The square root of 797011138 is about 28231.3856903978. The cubic root of 797011138 is about 927.1602349403.

The spelling of 797011138 in words is "seven hundred ninety-seven million, eleven thousand, one hundred thirty-eight".