2477704978 has 16 divisors (see below), whose sum is σ = 4346274240. Its totient is φ = 1037178576.

The previous prime is 2477704951. The next prime is 2477704981. The reversal of 2477704978 is 8794077742.

2477704978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2477704978² = 12278043916011960968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2057293 + ... + 2058496.

It is an arithmetic number, because the mean of its divisors is an integer number (271642140).

Almost surely, 2^2477704978 is an apocalyptic number.

2477704978 is a deficient number, since it is larger than the sum of its proper divisors (1868569262).

2477704978 is a wasteful number, since it uses less digits than its factorization.

2477704978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115841.

The product of its (nonzero) digits is 5531904, while the sum is 55.

The square root of 2477704978 is about 49776.5504831341. The cubic root of 2477704978 is about 1353.1622218215.

It can be divided in two parts, 2477 and 704978, that added together give a triangular number (707455 = T₁₁₈₉).

The spelling of 2477704978 in words is "two billion, four hundred seventy-seven million, seven hundred four thousand, nine hundred seventy-eight".