787851672 has 32 divisors (see below), whose sum is σ = 2085490800. Its totient is φ = 247169024.

The previous prime is 787851667. The next prime is 787851703. The reversal of 787851672 is 276158787.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 965097 + ... + 965912.

Almost surely, 2^787851672 is an apocalyptic number.

It is an amenable number.

787851672 is an abundant number, since it is smaller than the sum of its proper divisors (1297639128).

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

787851672 is a wasteful number, since it uses less digits than its factorization.

787851672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931035 (or 1931031 counting only the distinct ones).

The product of its digits is 1317120, while the sum is 51.

The square root of 787851672 is about 28068.6955877896. The cubic root of 787851672 is about 923.5948168207.

The spelling of 787851672 in words is "seven hundred eighty-seven million, eight hundred fifty-one thousand, six hundred seventy-two".