7772056977490 has 32 divisors (see below), whose sum is σ = 15093376320960. Its totient is φ = 2864436329664.

The previous prime is 7772056977481. The next prime is 7772056977497. The reversal of 7772056977490 is 947796502777.

It is a super-2 number, since 2×7772056977490² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (70) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (7772056977497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54577020 + ... + 54719239.

It is an arithmetic number, because the mean of its divisors is an integer number (471668010030).

Almost surely, 2^{7772056977490} is an apocalyptic number.

7772056977490 is a deficient number, since it is larger than the sum of its proper divisors (7321319343470).

7772056977490 is a wasteful number, since it uses less digits than its factorization.

7772056977490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109296826.

The product of its (nonzero) digits is 326728080, while the sum is 70.

The spelling of 7772056977490 in words is "seven trillion, seven hundred seventy-two billion, fifty-six million, nine hundred seventy-seven thousand, four hundred ninety".