102659478837 has 4 divisors (see below), whose sum is σ = 136879305120. Its totient is φ = 68439652556.

The previous prime is 102659478787. The next prime is 102659478839. The reversal of 102659478837 is 738874956201.

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, and also an emirpimes, since its reverse is a distinct semiprime: 738874956201 = 3 ⋅246291652067.

It is a cyclic number.

It is not a de Polignac number, because 102659478837 - 2²⁶ = 102592369973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102659478839) 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, 17109913137 + ... + 17109913142.

It is an arithmetic number, because the mean of its divisors is an integer number (34219826280).

It is a 2-persistent number, because it is pandigital, and so is 2⋅102659478837 = 205318957674, but 3⋅102659478837 = 307978436511 is not.

Almost surely, 2^102659478837 is an apocalyptic number.

It is an amenable number.

102659478837 is a deficient number, since it is larger than the sum of its proper divisors (34219826283).

102659478837 is an equidigital number, since it uses as much as digits as its factorization.

102659478837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34219826282.

The product of its (nonzero) digits is 20321280, while the sum is 60.

The spelling of 102659478837 in words is "one hundred two billion, six hundred fifty-nine million, four hundred seventy-eight thousand, eight hundred thirty-seven".