794787840 has 576 divisors, whose sum is σ = 3496423320. Its totient is φ = 165150720.

The previous prime is 794787823. The next prime is 794787853. The reversal of 794787840 is 48787497.

It is a tau number, because it is divible by the number of its divisors (576).

It is a super-2 number, since 2×794787840² = 1263375421223731200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 72253435 + ... + 72253445.

Almost surely, 2^794787840 is an apocalyptic number.

794787840 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 794787840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1748211660).

794787840 is an abundant number, since it is smaller than the sum of its proper divisors (2701635480).

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

794787840 is a wasteful number, since it uses less digits than its factorization.

794787840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 54.

The square root of 794787840 is about 28191.9818388137. The cubic root of 794787840 is about 926.2973138261.

The spelling of 794787840 in words is "seven hundred ninety-four million, seven hundred eighty-seven thousand, eight hundred forty".