87767365066 has 8 divisors (see below), whose sum is σ = 132656017824. Its totient is φ = 43548692460.

The previous prime is 87767365033. The next prime is 87767365067. The reversal of 87767365066 is 66056376778.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×87767365066² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87767364995 and 87767365013.

It is not an unprimeable number, because it can be changed into a prime (87767365067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167494710 + ... + 167495233.

It is an arithmetic number, because the mean of its divisors is an integer number (16582002228).

Almost surely, 2^87767365066 is an apocalyptic number.

87767365066 is a deficient number, since it is larger than the sum of its proper divisors (44888652758).

87767365066 is a wasteful number, since it uses less digits than its factorization.

87767365066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334990076.

The product of its (nonzero) digits is 53343360, while the sum is 61.

The spelling of 87767365066 in words is "eighty-seven billion, seven hundred sixty-seven million, three hundred sixty-five thousand, sixty-six".