7772953982 has 4 divisors (see below), whose sum is σ = 11659430976. Its totient is φ = 3886476990.

The previous prime is 7772953973. The next prime is 7772954003. The reversal of 7772953982 is 2893592777.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2893592777 = 11261 ⋅256957.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1943238494 + ... + 1943238497.

It is an arithmetic number, because the mean of its divisors is an integer number (2914857744).

Almost surely, 2^7772953982 is an apocalyptic number.

7772953982 is a deficient number, since it is larger than the sum of its proper divisors (3886476994).

7772953982 is a wasteful number, since it uses less digits than its factorization.

7772953982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3886476993.

The product of its digits is 13335840, while the sum is 59.

The square root of 7772953982 is about 88164.3577756907. The cubic root of 7772953982 is about 1980.8976290849.

The spelling of 7772953982 in words is "seven billion, seven hundred seventy-two million, nine hundred fifty-three thousand, nine hundred eighty-two".