787378532 has 12 divisors (see below), whose sum is σ = 1379860860. Its totient is φ = 393132576.

The previous prime is 787378489. The next prime is 787378549. The reversal of 787378532 is 235873787.

It can be written as a sum of positive squares in 2 ways, for example, as 493461796 + 293916736 = 22214^2 + 17144^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 135983 + ... + 141654.

It is an arithmetic number, because the mean of its divisors is an integer number (114988405).

Almost surely, 2^787378532 is an apocalyptic number.

It is an amenable number.

787378532 is a deficient number, since it is larger than the sum of its proper divisors (592482328).

787378532 is a wasteful number, since it uses less digits than its factorization.

787378532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278350 (or 278348 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 50.

The square root of 787378532 is about 28060.2660714399. The cubic root of 787378532 is about 923.4098931972.

The spelling of 787378532 in words is "seven hundred eighty-seven million, three hundred seventy-eight thousand, five hundred thirty-two".