2547661086 has 28 divisors (see below), whose sum is σ = 5729619672. Its totient is φ = 849219876.

The previous prime is 2547661073. The next prime is 2547661099. The reversal of 2547661086 is 6801667452.

2547661086 is a `hidden beast` number, since 25 + 4 + 7 + 6 + 610 + 8 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (2547661073) and next prime (2547661099).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 872226 + ... + 875141.

It is an arithmetic number, because the mean of its divisors is an integer number (204629274).

Almost surely, 2^2547661086 is an apocalyptic number.

2547661086 is an abundant number, since it is smaller than the sum of its proper divisors (3181958586).

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

2547661086 is an equidigital number, since it uses as much as digits as its factorization.

2547661086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747387 (or 1747372 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 2547661086 is about 50474.3606794578. The cubic root of 2547661086 is about 1365.7793786037.

The spelling of 2547661086 in words is "two billion, five hundred forty-seven million, six hundred sixty-one thousand, eighty-six".