39487885436 has 24 divisors (see below), whose sum is σ = 71341226880. Its totient is φ = 19104825600.

The previous prime is 39487885391. The next prime is 39487885469. The reversal of 39487885436 is 63458878493.

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, 1689800 + ... + 1713008.

It is an arithmetic number, because the mean of its divisors is an integer number (2972551120).

Almost surely, 2^39487885436 is an apocalyptic number.

It is an amenable number.

39487885436 is a deficient number, since it is larger than the sum of its proper divisors (31853341444).

39487885436 is a wasteful number, since it uses less digits than its factorization.

39487885436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36965 (or 36963 counting only the distinct ones).

The product of its digits is 139345920, while the sum is 65.

The spelling of 39487885436 in words is "thirty-nine billion, four hundred eighty-seven million, eight hundred eighty-five thousand, four hundred thirty-six".