87407670478 has 16 divisors (see below), whose sum is σ = 131354997120. Its totient is φ = 43622724600.

The previous prime is 87407670457. The next prime is 87407670479.

It is a happy number.

87407670478 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87407670479) 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, 3762663 + ... + 3785821.

It is an arithmetic number, because the mean of its divisors is an integer number (8209687320).

Almost surely, 2^87407670478 is an apocalyptic number.

87407670478 is a deficient number, since it is larger than the sum of its proper divisors (43947326642).

87407670478 is a wasteful number, since it uses less digits than its factorization.

87407670478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26583.

The product of its (nonzero) digits is 14751744, while the sum is 58.

The spelling of 87407670478 in words is "eighty-seven billion, four hundred seven million, six hundred seventy thousand, four hundred seventy-eight".