87800262808 has 16 divisors (see below), whose sum is σ = 166223800080. Its totient is φ = 43473916128.

The previous prime is 87800262793. The next prime is 87800262817. The reversal of 87800262808 is 80826200878.

It is a super-2 number, since 2×87800262808² (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 3 ways as a sum of consecutive naturals, for example, 53276035 + ... + 53277682.

It is an arithmetic number, because the mean of its divisors is an integer number (10388987505).

Almost surely, 2^87800262808 is an apocalyptic number.

It is an amenable number.

87800262808 is a deficient number, since it is larger than the sum of its proper divisors (78423537272).

87800262808 is a wasteful number, since it uses less digits than its factorization.

87800262808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106553826 (or 106553822 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 49.

The spelling of 87800262808 in words is "eighty-seven billion, eight hundred million, two hundred sixty-two thousand, eight hundred eight".