7764378063 has 32 divisors (see below), whose sum is σ = 11786261760. Its totient is φ = 4507073280.

The previous prime is 7764378059. The next prime is 7764378121. The reversal of 7764378063 is 3608734677.

It is not a de Polignac number, because 7764378063 - 2² = 7764378059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7764377997 and 7764378015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7764378043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150168 + ... + 195138.

It is an arithmetic number, because the mean of its divisors is an integer number (368320680).

Almost surely, 2^7764378063 is an apocalyptic number.

7764378063 is a deficient number, since it is larger than the sum of its proper divisors (4021883697).

7764378063 is a wasteful number, since it uses less digits than its factorization.

7764378063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45239.

The product of its (nonzero) digits is 3556224, while the sum is 51.

The square root of 7764378063 is about 88115.7083782455. The cubic root of 7764378063 is about 1980.1688512772.

The spelling of 7764378063 in words is "seven billion, seven hundred sixty-four million, three hundred seventy-eight thousand, sixty-three".