797309892 has 60 divisors (see below), whose sum is σ = 2140690860. Its totient is φ = 258583104.

The previous prime is 797309879. The next prime is 797309941. The reversal of 797309892 is 298903797.

It can be written as a sum of positive squares in 2 ways, for example, as 698227776 + 99082116 = 26424^2 + 9954^2 .

It is a super-5 number, since 5×797309892⁵ (a number of 46 digits) contains 55555 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21267 + ... + 45242.

It is an arithmetic number, because the mean of its divisors is an integer number (35678181).

Almost surely, 2^797309892 is an apocalyptic number.

It is an amenable number.

797309892 is an abundant number, since it is smaller than the sum of its proper divisors (1343380968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

797309892 is a wasteful number, since it uses less digits than its factorization.

797309892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66562 (or 66551 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 54.

The square root of 797309892 is about 28236.6763624900. The cubic root of 797309892 is about 927.2760669587.

The spelling of 797309892 in words is "seven hundred ninety-seven million, three hundred nine thousand, eight hundred ninety-two".