7677742445 has 8 divisors (see below), whose sum is σ = 9387126936. Its totient is φ = 6026303296.

The previous prime is 7677742439. The next prime is 7677742469. The reversal of 7677742445 is 5442477767.

It can be written as a sum of positive squares in 4 ways, for example, as 3854298889 + 3823443556 = 62083^2 + 61834^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7677742445 - 2²⁶ = 7610633581 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14486042 + ... + 14486571.

It is an arithmetic number, because the mean of its divisors is an integer number (1173390867).

Almost surely, 2^7677742445 is an apocalyptic number.

It is an amenable number.

7677742445 is a deficient number, since it is larger than the sum of its proper divisors (1709384491).

7677742445 is a wasteful number, since it uses less digits than its factorization.

7677742445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28972671.

The product of its digits is 9219840, while the sum is 53.

The square root of 7677742445 is about 87622.7279020689. The cubic root of 7677742445 is about 1972.7763207482.

The spelling of 7677742445 in words is "seven billion, six hundred seventy-seven million, seven hundred forty-two thousand, four hundred forty-five".