787745104136 has 32 divisors (see below), whose sum is σ = 1490674363200. Its totient is φ = 390232434240.

The previous prime is 787745104093. The next prime is 787745104171. The reversal of 787745104136 is 631401547787.

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, 20981621 + ... + 21019131.

It is an arithmetic number, because the mean of its divisors is an integer number (46583573850).

Almost surely, 2^787745104136 is an apocalyptic number.

It is an amenable number.

787745104136 is a deficient number, since it is larger than the sum of its proper divisors (702929259064).

787745104136 is a wasteful number, since it uses less digits than its factorization.

787745104136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61709 (or 61705 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 53.

The spelling of 787745104136 in words is "seven hundred eighty-seven billion, seven hundred forty-five million, one hundred four thousand, one hundred thirty-six".