39845011087 has 8 divisors (see below), whose sum is σ = 45674732672. Its totient is φ = 34049683800.

The previous prime is 39845011079. The next prime is 39845011117. The reversal of 39845011087 is 78011054893.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39845011087 - 2³ = 39845011079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39845011057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8596089 + ... + 8600722.

It is an arithmetic number, because the mean of its divisors is an integer number (5709341584).

Almost surely, 2^39845011087 is an apocalyptic number.

39845011087 is a deficient number, since it is larger than the sum of its proper divisors (5829721585).

39845011087 is a wasteful number, since it uses less digits than its factorization.

39845011087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17197149.

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 39845011087 in words is "thirty-nine billion, eight hundred forty-five million, eleven thousand, eighty-seven".