2627978498 has 4 divisors (see below), whose sum is σ = 3941967750. Its totient is φ = 1313989248.

The previous prime is 2627978477. The next prime is 2627978503. The reversal of 2627978498 is 8948797262.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1651853449 + 976125049 = 40643^2 + 31243^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2627978498.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656994623 + ... + 656994626.

Almost surely, 2^2627978498 is an apocalyptic number.

2627978498 is a deficient number, since it is larger than the sum of its proper divisors (1313989252).

2627978498 is a wasteful number, since it uses less digits than its factorization.

2627978498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313989251.

The product of its digits is 24385536, while the sum is 62.

The square root of 2627978498 is about 51263.8127532473. The cubic root of 2627978498 is about 1379.9836338464.

The spelling of 2627978498 in words is "two billion, six hundred twenty-seven million, nine hundred seventy-eight thousand, four hundred ninety-eight".