102471541677 has 12 divisors (see below), whose sum is σ = 150042045244. Its totient is φ = 67378547520.

The previous prime is 102471541643. The next prime is 102471541681. The reversal of 102471541677 is 776145174201.

102471541677 is a `hidden beast` number, since 1 + 0 + 2 + 47 + 1 + 541 + 67 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 88141296996 + 14330244681 = 296886^2 + 119709^2 .

It is not a de Polignac number, because 102471541677 - 2¹⁰ = 102471540653 is a prime.

It is a super-2 number, since 2×102471541677² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102471541607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77983774 + ... + 77985087.

Almost surely, 2^102471541677 is an apocalyptic number.

It is an amenable number.

102471541677 is a deficient number, since it is larger than the sum of its proper divisors (47570503567).

102471541677 is a wasteful number, since it uses less digits than its factorization.

102471541677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155968940 (or 155968937 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 45.

The spelling of 102471541677 in words is "one hundred two billion, four hundred seventy-one million, five hundred forty-one thousand, six hundred seventy-seven".