77422151807 has 16 divisors (see below), whose sum is σ = 103951421952. Its totient is φ = 55688260320.

The previous prime is 77422151731. The next prime is 77422151809. The reversal of 77422151807 is 70815122477.

It is a happy number.

It is not a de Polignac number, because 77422151807 - 2¹⁶ = 77422086271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77422151809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38671403 + ... + 38673404.

It is an arithmetic number, because the mean of its divisors is an integer number (6496963872).

Almost surely, 2^77422151807 is an apocalyptic number.

77422151807 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

77422151807 is a deficient number, since it is larger than the sum of its proper divisors (26529270145).

77422151807 is a wasteful number, since it uses less digits than its factorization.

77422151807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77344838.

The product of its (nonzero) digits is 219520, while the sum is 44.

The spelling of 77422151807 in words is "seventy-seven billion, four hundred twenty-two million, one hundred fifty-one thousand, eight hundred seven".