7266820888 has 16 divisors (see below), whose sum is σ = 13626522000. Its totient is φ = 3633081696.

The previous prime is 7266820789. The next prime is 7266820927. The reversal of 7266820888 is 8880286627.

It is a super-5 number, since 5×7266820888⁵ (a number of 51 digits) contains 55555 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70758 + ... + 139786.

It is an arithmetic number, because the mean of its divisors is an integer number (851657625).

Almost surely, 2^7266820888 is an apocalyptic number.

It is an amenable number.

7266820888 is a deficient number, since it is larger than the sum of its proper divisors (6359701112).

7266820888 is a wasteful number, since it uses less digits than its factorization.

7266820888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82194 (or 82190 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 55.

The square root of 7266820888 is about 85245.6502585323. The cubic root of 7266820888 is about 1936.9339821903.

The spelling of 7266820888 in words is "seven billion, two hundred sixty-six million, eight hundred twenty thousand, eight hundred eighty-eight".