695721875880 has 64 divisors (see below), whose sum is σ = 2105636160960. Its totient is φ = 183884008448.

The previous prime is 695721875873. The next prime is 695721875909. The reversal of 695721875880 is 88578127596.

It is a super-2 number, since 2×695721875880² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25639902 + ... + 25667021.

It is an arithmetic number, because the mean of its divisors is an integer number (32900565015).

Almost surely, 2^695721875880 is an apocalyptic number.

695721875880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

695721875880 is an abundant number, since it is smaller than the sum of its proper divisors (1409914285080).

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

695721875880 is a wasteful number, since it uses less digits than its factorization.

695721875880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51307050 (or 51307046 counting only the distinct ones).

The product of its (nonzero) digits is 67737600, while the sum is 66.

The spelling of 695721875880 in words is "six hundred ninety-five billion, seven hundred twenty-one million, eight hundred seventy-five thousand, eight hundred eighty".