102870889357 has 4 divisors (see below), whose sum is σ = 103889413116. Its totient is φ = 101852365600.

The previous prime is 102870889339. The next prime is 102870889361. The reversal of 102870889357 is 753988078201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 100340698756 + 2530190601 = 316766^2 + 50301^2 .

It is a cyclic number.

It is not a de Polignac number, because 102870889357 - 2²⁷ = 102736671629 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 (102870889307) 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, 509261728 + ... + 509261929.

It is an arithmetic number, because the mean of its divisors is an integer number (25972353279).

Almost surely, 2^102870889357 is an apocalyptic number.

It is an amenable number.

102870889357 is a deficient number, since it is larger than the sum of its proper divisors (1018523759).

102870889357 is a wasteful number, since it uses less digits than its factorization.

102870889357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018523758.

The product of its (nonzero) digits is 6773760, while the sum is 58.

The spelling of 102870889357 in words is "one hundred two billion, eight hundred seventy million, eight hundred eighty-nine thousand, three hundred fifty-seven".