6177478020 has 192 divisors, whose sum is σ = 21359116800. Its totient is φ = 1328861184.

The previous prime is 6177478019. The next prime is 6177478031. The reversal of 6177478020 is 208747716.

It is a super-2 number, since 2×6177478020² = 76322469375166240800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 341032 + ... + 358688.

It is an arithmetic number, because the mean of its divisors is an integer number (111245400).

Almost surely, 2^6177478020 is an apocalyptic number.

6177478020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6177478020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10679558400).

6177478020 is an abundant number, since it is smaller than the sum of its proper divisors (15181638780).

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

6177478020 is a wasteful number, since it uses less digits than its factorization.

6177478020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17707 (or 17691 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 42.

The square root of 6177478020 is about 78596.9339096634. The cubic root of 6177478020 is about 1834.8633931770.

The spelling of 6177478020 in words is "six billion, one hundred seventy-seven million, four hundred seventy-eight thousand, twenty".