6722470777 has 16 divisors (see below), whose sum is σ = 7455006720. Its totient is φ = 6010589200.

The previous prime is 6722470721. The next prime is 6722470787. The reversal of 6722470777 is 7770742276.

It is not a de Polignac number, because 6722470777 - 2²³ = 6714082169 is a prime.

It is a super-2 number, since 2×6722470777² = 90383226695237967458, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6722470777.

It is not an unprimeable number, because it can be changed into a prime (6722470717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316968 + ... + 337510.

It is an arithmetic number, because the mean of its divisors is an integer number (465937920).

Almost surely, 2^6722470777 is an apocalyptic number.

It is an amenable number.

6722470777 is a deficient number, since it is larger than the sum of its proper divisors (732535943).

6722470777 is a wasteful number, since it uses less digits than its factorization.

6722470777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21044.

The product of its (nonzero) digits is 1613472, while the sum is 49.

The square root of 6722470777 is about 81990.6749392881. The cubic root of 6722470777 is about 1887.3088409656.

The spelling of 6722470777 in words is "six billion, seven hundred twenty-two million, four hundred seventy thousand, seven hundred seventy-seven".