87078762461170 has 16 divisors (see below), whose sum is σ = 157090863245400. Its totient is φ = 34753929247744.

The previous prime is 87078762461153. The next prime is 87078762461177. The reversal of 87078762461170 is 7116426787078.

It can be written as a sum of positive squares in 4 ways, for example, as 86663978803801 + 414783657369 = 9309349^2 + 644037^2 .

It is not an unprimeable number, because it can be changed into a prime (87078762461177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9696962377 + ... + 9696971356.

Almost surely, 2^{87078762461170} is an apocalyptic number.

87078762461170 is a deficient number, since it is larger than the sum of its proper divisors (70012100784230).

87078762461170 is a wasteful number, since it uses less digits than its factorization.

87078762461170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19393934189.

The product of its (nonzero) digits is 44255232, while the sum is 64.

The spelling of 87078762461170 in words is "eighty-seven trillion, seventy-eight billion, seven hundred sixty-two million, four hundred sixty-one thousand, one hundred seventy".