102622870861 has 16 divisors (see below), whose sum is σ = 117986630400. Its totient is φ = 87436522368.

The previous prime is 102622870849. The next prime is 102622870879. The reversal of 102622870861 is 168078226201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102622870861 - 2⁵ = 102622870829 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 (102622870841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 721335 + ... + 851803.

It is an arithmetic number, because the mean of its divisors is an integer number (7374164400).

Almost surely, 2^102622870861 is an apocalyptic number.

It is an amenable number.

102622870861 is a deficient number, since it is larger than the sum of its proper divisors (15363759539).

102622870861 is a wasteful number, since it uses less digits than its factorization.

102622870861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131148.

The product of its (nonzero) digits is 129024, while the sum is 43.

The spelling of 102622870861 in words is "one hundred two billion, six hundred twenty-two million, eight hundred seventy thousand, eight hundred sixty-one".