7776472490 has 8 divisors (see below), whose sum is σ = 13997650500. Its totient is φ = 3110588992.

The previous prime is 7776472489. The next prime is 7776472493. The reversal of 7776472490 is 942746777.

It can be written as a sum of positive squares in 2 ways, for example, as 7744176001 + 32296489 = 88001^2 + 5683^2 .

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

It is not an unprimeable number, because it can be changed into a prime (7776472493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388823615 + ... + 388823634.

Almost surely, 2^7776472490 is an apocalyptic number.

7776472490 is a deficient number, since it is larger than the sum of its proper divisors (6221178010).

7776472490 is a wasteful number, since it uses less digits than its factorization.

7776472490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777647256.

The product of its (nonzero) digits is 4148928, while the sum is 53.

The square root of 7776472490 is about 88184.3097722038. The cubic root of 7776472490 is about 1981.1964752629.

The spelling of 7776472490 in words is "seven billion, seven hundred seventy-six million, four hundred seventy-two thousand, four hundred ninety".