2620173378 has 72 divisors (see below), whose sum is σ = 5632173648. Its totient is φ = 812493504.

The previous prime is 2620173337. The next prime is 2620173419. The reversal of 2620173378 is 8733710262.

It is an interprime number because it is at equal distance from previous prime (2620173337) and next prime (2620173419).

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 in 35 ways as a sum of consecutive naturals, for example, 11542501 + ... + 11542727.

It is an arithmetic number, because the mean of its divisors is an integer number (78224634).

Almost surely, 2^2620173378 is an apocalyptic number.

2620173378 is an abundant number, since it is smaller than the sum of its proper divisors (3012000270).

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

2620173378 is a wasteful number, since it uses less digits than its factorization.

2620173378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 2620173378 is about 51187.6291500202. The cubic root of 2620173378 is about 1378.6160911060.

The spelling of 2620173378 in words is "two billion, six hundred twenty million, one hundred seventy-three thousand, three hundred seventy-eight".