2027678493 has 16 divisors (see below), whose sum is σ = 2771850816. Its totient is φ = 1317701760.

The previous prime is 2027678489. The next prime is 2027678507. The reversal of 2027678493 is 3948767202.

It is not a de Polignac number, because 2027678493 - 2² = 2027678489 is a prime.

It is a super-2 number, since 2×2027678493² = 8222960141949502098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2027678453) 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, 154455 + ... + 167067.

It is an arithmetic number, because the mean of its divisors is an integer number (173240676).

Almost surely, 2^2027678493 is an apocalyptic number.

It is an amenable number.

2027678493 is a deficient number, since it is larger than the sum of its proper divisors (744172323).

2027678493 is a wasteful number, since it uses less digits than its factorization.

2027678493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13964.

The product of its (nonzero) digits is 1016064, while the sum is 48.

The square root of 2027678493 is about 45029.7511985132. The cubic root of 2027678493 is about 1265.7065616963.

The spelling of 2027678493 in words is "two billion, twenty-seven million, six hundred seventy-eight thousand, four hundred ninety-three".