87478087478 has 32 divisors (see below), whose sum is σ = 133805329920. Its totient is φ = 42886800000.

The previous prime is 87478087457. The next prime is 87478087483.

87478087478 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8830328 + ... + 8840228.

It is an arithmetic number, because the mean of its divisors is an integer number (4181416560).

Almost surely, 2^87478087478 is an apocalyptic number.

87478087478 is a deficient number, since it is larger than the sum of its proper divisors (46327242442).

87478087478 is a wasteful number, since it uses less digits than its factorization.

87478087478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10424.

The product of its (nonzero) digits is 157351936, while the sum is 68.

The spelling of 87478087478 in words is "eighty-seven billion, four hundred seventy-eight million, eighty-seven thousand, four hundred seventy-eight".