102089847 has 16 divisors (see below), whose sum is σ = 142276608. Its totient is φ = 64991520.

The previous prime is 102089821. The next prime is 102089849. The reversal of 102089847 is 748980201.

It is not a de Polignac number, because 102089847 - 2¹² = 102085751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102089849) 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, 67633 + ... + 69125.

It is an arithmetic number, because the mean of its divisors is an integer number (8892288).

Almost surely, 2^102089847 is an apocalyptic number.

102089847 is a deficient number, since it is larger than the sum of its proper divisors (40186761).

102089847 is a wasteful number, since it uses less digits than its factorization.

102089847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 102089847 is about 10103.9520485798. The cubic root of 102089847 is about 467.3700203912.

The spelling of 102089847 in words is "one hundred two million, eighty-nine thousand, eight hundred forty-seven".