2090377678 has 32 divisors (see below), whose sum is σ = 3468810240. Its totient is φ = 941323680.

The previous prime is 2090377673. The next prime is 2090377697. The reversal of 2090377678 is 8767730902.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2090377673) 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, 32953 + ... + 72571.

It is an arithmetic number, because the mean of its divisors is an integer number (108400320).

Almost surely, 2^2090377678 is an apocalyptic number.

2090377678 is a deficient number, since it is larger than the sum of its proper divisors (1378432562).

2090377678 is a wasteful number, since it uses less digits than its factorization.

2090377678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39712.

The product of its (nonzero) digits is 889056, while the sum is 49.

The square root of 2090377678 is about 45720.6482674951. The cubic root of 2090377678 is about 1278.6202739734.

The spelling of 2090377678 in words is "two billion, ninety million, three hundred seventy-seven thousand, six hundred seventy-eight".