32478020698 has 4 divisors (see below), whose sum is σ = 48717031050. Its totient is φ = 16239010348.

The previous prime is 32478020647. The next prime is 32478020713. The reversal of 32478020698 is 89602087423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89602087423 = 17417 ⋅5144519.

It can be written as a sum of positive squares in only one way, i.e., 17539558969 + 14938461729 = 132437^2 + 122223^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8119505173 + ... + 8119505176.

Almost surely, 2^32478020698 is an apocalyptic number.

32478020698 is a deficient number, since it is larger than the sum of its proper divisors (16239010352).

32478020698 is a wasteful number, since it uses less digits than its factorization.

32478020698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16239010351.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 32478020698 in words is "thirty-two billion, four hundred seventy-eight million, twenty thousand, six hundred ninety-eight".