87263451766 has 16 divisors (see below), whose sum is σ = 133375284288. Its totient is φ = 42805152000.

The previous prime is 87263451749. The next prime is 87263451817. The reversal of 87263451766 is 66715436278.

It is a super-2 number, since 2×87263451766² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1859491 + ... + 1905841.

It is an arithmetic number, because the mean of its divisors is an integer number (8335955268).

Almost surely, 2^87263451766 is an apocalyptic number.

87263451766 is a deficient number, since it is larger than the sum of its proper divisors (46111832522).

87263451766 is a wasteful number, since it uses less digits than its factorization.

87263451766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64167.

The product of its digits is 10160640, while the sum is 55.

The spelling of 87263451766 in words is "eighty-seven billion, two hundred sixty-three million, four hundred fifty-one thousand, seven hundred sixty-six".