3987513202 has 8 divisors (see below), whose sum is σ = 6000139116. Its totient is φ = 1987466832.

The previous prime is 3987513193. The next prime is 3987513203. The reversal of 3987513202 is 2023157893.

It can be written as a sum of positive squares in 2 ways, for example, as 2583587241 + 1403925961 = 50829^2 + 37469^2 .

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

It is a super-2 number, since 2×3987513202² = 31800523072248585608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3987513203) 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, 3144093 + ... + 3145360.

Almost surely, 2^3987513202 is an apocalyptic number.

3987513202 is a deficient number, since it is larger than the sum of its proper divisors (2012625914).

3987513202 is a wasteful number, since it uses less digits than its factorization.

3987513202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6289772.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 3987513202 is about 63146.7592359260. The cubic root of 3987513202 is about 1585.7475338204.

The spelling of 3987513202 in words is "three billion, nine hundred eighty-seven million, five hundred thirteen thousand, two hundred two".