86139537037 has 4 divisors (see below), whose sum is σ = 86655342816. Its totient is φ = 85623731260.

The previous prime is 86139537031. The next prime is 86139537041. The reversal of 86139537037 is 73073593168.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86139537037 - 2¹⁹ = 86139012749 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 (86139537031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257902639 + ... + 257902972.

It is an arithmetic number, because the mean of its divisors is an integer number (21663835704).

Almost surely, 2^86139537037 is an apocalyptic number.

It is an amenable number.

86139537037 is a deficient number, since it is larger than the sum of its proper divisors (515805779).

86139537037 is a wasteful number, since it uses less digits than its factorization.

86139537037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515805778.

The product of its (nonzero) digits is 2857680, while the sum is 52.

The spelling of 86139537037 in words is "eighty-six billion, one hundred thirty-nine million, five hundred thirty-seven thousand, thirty-seven".