787478260 has 24 divisors (see below), whose sum is σ = 1669764096. Its totient is φ = 311932320.

The previous prime is 787478249. The next prime is 787478273. The reversal of 787478260 is 62874787.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189076 + ... + 193195.

It is an arithmetic number, because the mean of its divisors is an integer number (69573504).

Almost surely, 2^787478260 is an apocalyptic number.

It is an amenable number.

787478260 is an abundant number, since it is smaller than the sum of its proper divisors (882285836).

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

787478260 is a wasteful number, since it uses less digits than its factorization.

787478260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382383 (or 382381 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 49.

The square root of 787478260 is about 28062.0430475046. The cubic root of 787478260 is about 923.4488773835.

The spelling of 787478260 in words is "seven hundred eighty-seven million, four hundred seventy-eight thousand, two hundred sixty".