8536172402 has 4 divisors (see below), whose sum is σ = 12804258606. Its totient is φ = 4268086200.

The previous prime is 8536172387. The next prime is 8536172429. The reversal of 8536172402 is 2042716358.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2042716358 = 2 ⋅1021358179.

It can be written as a sum of positive squares in only one way, i.e., 7030654801 + 1505517601 = 83849^2 + 38801^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2134043099 + ... + 2134043102.

Almost surely, 2^8536172402 is an apocalyptic number.

8536172402 is a deficient number, since it is larger than the sum of its proper divisors (4268086204).

8536172402 is a wasteful number, since it uses less digits than its factorization.

8536172402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4268086203.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 8536172402 is about 92391.4087023247. The cubic root of 8536172402 is about 2043.7184201189.

The spelling of 8536172402 in words is "eight billion, five hundred thirty-six million, one hundred seventy-two thousand, four hundred two".