87769059093 has 24 divisors (see below), whose sum is σ = 134719699608. Its totient is φ = 54871944192.

The previous prime is 87769058987. The next prime is 87769059107. The reversal of 87769059093 is 39095096778.

It can be written as a sum of positive squares in 4 ways, for example, as 13614689124 + 74154369969 = 116682^2 + 272313^2 .

It is not a de Polignac number, because 87769059093 - 2⁸ = 87769058837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87769059093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87769059593) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 993096 + ... + 1077857.

It is an arithmetic number, because the mean of its divisors is an integer number (5613320817).

Almost surely, 2^87769059093 is an apocalyptic number.

It is an amenable number.

87769059093 is a deficient number, since it is larger than the sum of its proper divisors (46950640515).

87769059093 is a wasteful number, since it uses less digits than its factorization.

87769059093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071253 (or 2071250 counting only the distinct ones).

The product of its (nonzero) digits is 25719120, while the sum is 63.

The spelling of 87769059093 in words is "eighty-seven billion, seven hundred sixty-nine million, fifty-nine thousand, ninety-three".