7687115142 has 16 divisors (see below), whose sum is σ = 17570548992. Its totient is φ = 2196318600.

The previous prime is 7687115129. The next prime is 7687115147. The reversal of 7687115142 is 2415117867.

It is a super-3 number, since 3×7687115142³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 183026551 = 7687115142 / (7 + 6 + 8 + 7 + 1 + 1 + 5 + 1 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 7687115094 and 7687115103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7687115147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91513234 + ... + 91513317.

It is an arithmetic number, because the mean of its divisors is an integer number (1098159312).

Almost surely, 2^7687115142 is an apocalyptic number.

7687115142 is an abundant number, since it is smaller than the sum of its proper divisors (9883433850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7687115142 is a wasteful number, since it uses less digits than its factorization.

7687115142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183026563.

The product of its digits is 94080, while the sum is 42.

The square root of 7687115142 is about 87676.1948421577. The cubic root of 7687115142 is about 1973.5787578307.

The spelling of 7687115142 in words is "seven billion, six hundred eighty-seven million, one hundred fifteen thousand, one hundred forty-two".