77924967046 has 8 divisors (see below), whose sum is σ = 118488648744. Its totient is φ = 38428750800.

The previous prime is 77924967019. The next prime is 77924967053. The reversal of 77924967046 is 64076942977.

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

It is a super-2 number, since 2×77924967046² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266866180 + ... + 266866471.

It is an arithmetic number, because the mean of its divisors is an integer number (14811081093).

Almost surely, 2^77924967046 is an apocalyptic number.

77924967046 is a deficient number, since it is larger than the sum of its proper divisors (40563681698).

77924967046 is a wasteful number, since it uses less digits than its factorization.

77924967046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533732726.

The product of its (nonzero) digits is 32006016, while the sum is 61.

The spelling of 77924967046 in words is "seventy-seven billion, nine hundred twenty-four million, nine hundred sixty-seven thousand, forty-six".