27657401034 has 32 divisors (see below), whose sum is σ = 58391138880. Its totient is φ = 8709161472.

The previous prime is 27657401021. The next prime is 27657401047. The reversal of 27657401034 is 43010475672.

It is an interprime number because it is at equal distance from previous prime (27657401021) and next prime (27657401047).

It is a junction number, because it is equal to n+sod(n) for n = 27657400983 and 27657401001.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303397 + ... + 383880.

It is an arithmetic number, because the mean of its divisors is an integer number (1824723090).

Almost surely, 2^27657401034 is an apocalyptic number.

27657401034 is an abundant number, since it is smaller than the sum of its proper divisors (30733737846).

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

27657401034 is a wasteful number, since it uses less digits than its factorization.

27657401034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687654.

The product of its (nonzero) digits is 141120, while the sum is 39.

The spelling of 27657401034 in words is "twenty-seven billion, six hundred fifty-seven million, four hundred one thousand, thirty-four".