83917787404 has 24 divisors (see below), whose sum is σ = 160925119488. Its totient is φ = 37973393040.

The previous prime is 83917787383. The next prime is 83917787491. The reversal of 83917787404 is 40478771938.

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 7 ways as a sum of consecutive naturals, for example, 4266472 + ... + 4286095.

It is an arithmetic number, because the mean of its divisors is an integer number (6705213312).

Almost surely, 2^83917787404 is an apocalyptic number.

It is an amenable number.

83917787404 is a deficient number, since it is larger than the sum of its proper divisors (77007332084).

83917787404 is a wasteful number, since it uses less digits than its factorization.

83917787404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8552805 (or 8552803 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 58.

The spelling of 83917787404 in words is "eighty-three billion, nine hundred seventeen million, seven hundred eighty-seven thousand, four hundred four".