787439442 has 16 divisors (see below), whose sum is σ = 1575189792. Its totient is φ = 262428000.

The previous prime is 787439441. The next prime is 787439447. The reversal of 787439442 is 244934787.

It is a junction number, because it is equal to n+sod(n) for n = 787439391 and 787439400.

It is not an unprimeable number, because it can be changed into a prime (787439441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31942 + ... + 50942.

It is an arithmetic number, because the mean of its divisors is an integer number (98449362).

Almost surely, 2^787439442 is an apocalyptic number.

787439442 is an abundant number, since it is smaller than the sum of its proper divisors (787750350).

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

787439442 is a wasteful number, since it uses less digits than its factorization.

787439442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25913.

The product of its digits is 1354752, while the sum is 48.

The square root of 787439442 is about 28061.3513929746. The cubic root of 787439442 is about 923.4337036196.

The spelling of 787439442 in words is "seven hundred eighty-seven million, four hundred thirty-nine thousand, four hundred forty-two".