777120738490 has 16 divisors (see below), whose sum is σ = 1398828584448. Its totient is φ = 310845794256.

The previous prime is 777120738487. The next prime is 777120738509. The reversal of 777120738490 is 94837021777.

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, 1483939 + ... + 1938121.

It is an arithmetic number, because the mean of its divisors is an integer number (87426786528).

Almost surely, 2^777120738490 is an apocalyptic number.

777120738490 is a deficient number, since it is larger than the sum of its proper divisors (621707845958).

777120738490 is a wasteful number, since it uses less digits than its factorization.

777120738490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625293.

The product of its (nonzero) digits is 4148928, while the sum is 55.

The spelling of 777120738490 in words is "seven hundred seventy-seven billion, one hundred twenty million, seven hundred thirty-eight thousand, four hundred ninety".