791139092 has 6 divisors (see below), whose sum is σ = 1384493418. Its totient is φ = 395569544.

The previous prime is 791139091. The next prime is 791139121. The reversal of 791139092 is 290931197.

It can be written as a sum of positive squares in only one way, i.e., 712035856 + 79103236 = 26684^2 + 8894^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791139091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98892383 + ... + 98892390.

It is an arithmetic number, because the mean of its divisors is an integer number (230748903).

Almost surely, 2^791139092 is an apocalyptic number.

It is an amenable number.

791139092 is a deficient number, since it is larger than the sum of its proper divisors (593354326).

791139092 is a wasteful number, since it uses less digits than its factorization.

791139092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197784777 (or 197784775 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 41.

The square root of 791139092 is about 28127.1948832442. The cubic root of 791139092 is about 924.8776432264.

The spelling of 791139092 in words is "seven hundred ninety-one million, one hundred thirty-nine thousand, ninety-two".