87761912996 has 12 divisors (see below), whose sum is σ = 153591242700. Its totient is φ = 43878700800.

The previous prime is 87761912993. The next prime is 87761913013. The reversal of 87761912996 is 69921916778.

It can be written as a sum of positive squares in 2 ways, for example, as 2684690596 + 85077222400 = 51814^2 + 291680^2 .

It is not an unprimeable number, because it can be changed into a prime (87761912993) 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, 474821 + ... + 633228.

It is an arithmetic number, because the mean of its divisors is an integer number (12799270225).

Almost surely, 2^87761912996 is an apocalyptic number.

It is an amenable number.

87761912996 is a deficient number, since it is larger than the sum of its proper divisors (65829329704).

87761912996 is a wasteful number, since it uses less digits than its factorization.

87761912996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127854 (or 1127852 counting only the distinct ones).

The product of its digits is 20575296, while the sum is 65.

The spelling of 87761912996 in words is "eighty-seven billion, seven hundred sixty-one million, nine hundred twelve thousand, nine hundred ninety-six".