782630449720 has 32 divisors (see below), whose sum is σ = 2012478300000. Its totient is φ = 268330439808.

The previous prime is 782630449697. The next prime is 782630449739. The reversal of 782630449720 is 27944036287.

It is a super-2 number, since 2×782630449720² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1397554095 + ... + 1397554654.

It is an arithmetic number, because the mean of its divisors is an integer number (62889946875).

Almost surely, 2^782630449720 is an apocalyptic number.

782630449720 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

782630449720 is an abundant number, since it is smaller than the sum of its proper divisors (1229847850280).

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

782630449720 is a wasteful number, since it uses less digits than its factorization.

782630449720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795108767 (or 2795108763 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 52.

The spelling of 782630449720 in words is "seven hundred eighty-two billion, six hundred thirty million, four hundred forty-nine thousand, seven hundred twenty".