77407478093 has 32 divisors (see below), whose sum is σ = 86744770560. Its totient is φ = 68472552960.

The previous prime is 77407478063. The next prime is 77407478101. The reversal of 77407478093 is 39087470477.

It is a cyclic number.

It is not a de Polignac number, because 77407478093 - 2¹⁴ = 77407461709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77407478033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115018205 + ... + 115018877.

It is an arithmetic number, because the mean of its divisors is an integer number (2710774080).

Almost surely, 2^77407478093 is an apocalyptic number.

It is an amenable number.

77407478093 is a deficient number, since it is larger than the sum of its proper divisors (9337292467).

77407478093 is a wasteful number, since it uses less digits than its factorization.

77407478093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697.

The product of its (nonzero) digits is 8297856, while the sum is 56.

The spelling of 77407478093 in words is "seventy-seven billion, four hundred seven million, four hundred seventy-eight thousand, ninety-three".