102447711 has 6 divisors (see below), whose sum is σ = 147980040. Its totient is φ = 68298468.

The previous prime is 102447707. The next prime is 102447713. The reversal of 102447711 is 117744201.

It is not a de Polignac number, because 102447711 - 2² = 102447707 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102447713) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5691531 + ... + 5691548.

It is an arithmetic number, because the mean of its divisors is an integer number (24663340).

Almost surely, 2^102447711 is an apocalyptic number.

102447711 is a deficient number, since it is larger than the sum of its proper divisors (45532329).

102447711 is a wasteful number, since it uses less digits than its factorization.

102447711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11383085 (or 11383082 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 102447711 is about 10121.6456665900. The cubic root of 102447711 is about 467.9154871500.

It can be divided in two parts, 10244 and 7711, that added together give a triangular number (17955 = T₁₈₉).

The spelling of 102447711 in words is "one hundred two million, four hundred forty-seven thousand, seven hundred eleven".