787874247 has 12 divisors (see below), whose sum is σ = 1138538544. Its totient is φ = 525019680.

The previous prime is 787874237. The next prime is 787874249. The reversal of 787874247 is 742478787.

It is not a de Polignac number, because 787874247 - 2⁷ = 787874119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 787874193 and 787874202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (787874249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4038 + ... + 39900.

It is an arithmetic number, because the mean of its divisors is an integer number (94878212).

Almost surely, 2^787874247 is an apocalyptic number.

787874247 is a deficient number, since it is larger than the sum of its proper divisors (350664297).

787874247 is a wasteful number, since it uses less digits than its factorization.

787874247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38310 (or 38307 counting only the distinct ones).

The product of its digits is 4917248, while the sum is 54.

The square root of 787874247 is about 28069.0977232971. The cubic root of 787874247 is about 923.6036382587.

The spelling of 787874247 in words is "seven hundred eighty-seven million, eight hundred seventy-four thousand, two hundred forty-seven".