87479435061 has 6 divisors (see below), whose sum is σ = 126359183990. Its totient is φ = 58319623368.

The previous prime is 87479435041. The next prime is 87479435063. The reversal of 87479435061 is 16053497478.

87479435061 is a `hidden beast` number, since 8 + 7 + 47 + 94 + 3 + 506 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 85372074225 + 2107360836 = 292185^2 + 45906^2 .

It is not a de Polignac number, because 87479435061 - 2⁶ = 87479434997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87479434989 and 87479435007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87479435063) 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, 4859968606 + ... + 4859968623.

Almost surely, 2^87479435061 is an apocalyptic number.

It is an amenable number.

87479435061 is a deficient number, since it is larger than the sum of its proper divisors (38879748929).

87479435061 is a wasteful number, since it uses less digits than its factorization.

87479435061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9719937235 (or 9719937232 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 87479435061 in words is "eighty-seven billion, four hundred seventy-nine million, four hundred thirty-five thousand, sixty-one".