7087689812 has 24 divisors (see below), whose sum is σ = 14270524800. Its totient is φ = 3017193120.

The previous prime is 7087689811. The next prime is 7087689859. The reversal of 7087689812 is 2189867807.

It is a super-2 number, since 2×7087689812² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7087689811) 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, 845264 + ... + 853607.

It is an arithmetic number, because the mean of its divisors is an integer number (594605200).

Almost surely, 2^7087689812 is an apocalyptic number.

It is an amenable number.

7087689812 is an abundant number, since it is smaller than the sum of its proper divisors (7182834988).

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

7087689812 is a wasteful number, since it uses less digits than its factorization.

7087689812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699031 (or 1699029 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 56.

The square root of 7087689812 is about 84188.4185146627. The cubic root of 7087689812 is about 1920.8858950737.

The spelling of 7087689812 in words is "seven billion, eighty-seven million, six hundred eighty-nine thousand, eight hundred twelve".