77380191533722 has 32 divisors (see below), whose sum is σ = 145128042247680. Its totient is φ = 30061244341680.

The previous prime is 77380191533657. The next prime is 77380191533737. The reversal of 77380191533722 is 22733519108377.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 723964972 + ... + 724071847.

It is an arithmetic number, because the mean of its divisors is an integer number (4535251320240).

Almost surely, 2^{77380191533722} is an apocalyptic number.

77380191533722 is a deficient number, since it is larger than the sum of its proper divisors (67747850713958).

77380191533722 is a wasteful number, since it uses less digits than its factorization.

77380191533722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448037186.

The product of its (nonzero) digits is 13335840, while the sum is 58.

The spelling of 77380191533722 in words is "seventy-seven trillion, three hundred eighty billion, one hundred ninety-one million, five hundred thirty-three thousand, seven hundred twenty-two".