87767364546 has 12 divisors (see below), whose sum is σ = 190162623222. Its totient is φ = 29255788176.

The previous prime is 87767364539. The next prime is 87767364547. The reversal of 87767364546 is 64546376778.

87767364546 is a `hidden beast` number, since 87 + 7 + 6 + 7 + 3 + 6 + 4 + 546 = 666.

It can be written as a sum of positive squares in only one way, i.e., 73284445521 + 14482919025 = 270711^2 + 120345^2 .

It is a super-2 number, since 2×87767364546² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87767364547) 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, 2437982331 + ... + 2437982366.

Almost surely, 2^87767364546 is an apocalyptic number.

87767364546 is an abundant number, since it is smaller than the sum of its proper divisors (102395258676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87767364546 is a wasteful number, since it uses less digits than its factorization.

87767364546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4875964705 (or 4875964702 counting only the distinct ones).

The product of its digits is 142248960, while the sum is 63.

The spelling of 87767364546 in words is "eighty-seven billion, seven hundred sixty-seven million, three hundred sixty-four thousand, five hundred forty-six".