87378874202 has 8 divisors (see below), whose sum is σ = 131174961300. Its totient is φ = 43653887104.

The previous prime is 87378874139. The next prime is 87378874207. The reversal of 87378874202 is 20247887378.

It can be written as a sum of positive squares in 2 ways, for example, as 68716855321 + 18662018881 = 262139^2 + 136609^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×87378874202² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87378874207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17771927 + ... + 17776842.

Almost surely, 2^87378874202 is an apocalyptic number.

87378874202 is a deficient number, since it is larger than the sum of its proper divisors (43796087098).

87378874202 is a wasteful number, since it uses less digits than its factorization.

87378874202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35550000.

The product of its (nonzero) digits is 8429568, while the sum is 56.

The spelling of 87378874202 in words is "eighty-seven billion, three hundred seventy-eight million, eight hundred seventy-four thousand, two hundred two".