7812500004 has 96 divisors (see below), whose sum is σ = 20682704000. Its totient is φ = 2549657088.

The previous prime is 7812499993. The next prime is 7812500023. The reversal of 7812500004 is 4000052187.

It is a super-2 number, since 2×7812500004² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1092312 + ... + 1099440.

Almost surely, 2^7812500004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7812500004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10341352000).

7812500004 is an abundant number, since it is smaller than the sum of its proper divisors (12870203996).

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

7812500004 is a wasteful number, since it uses less digits than its factorization.

7812500004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7354 (or 7346 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 7812500004 is about 88388.3476709459. The cubic root of 7812500004 is about 1984.2513152989.

The spelling of 7812500004 in words is "seven billion, eight hundred twelve million, five hundred thousand, four".