77432014901 has 4 divisors (see below), whose sum is σ = 77446566912. Its totient is φ = 77417462892.

The previous prime is 77432014859. The next prime is 77432014903. The reversal of 77432014901 is 10941023477.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 77432014901 - 2⁶ = 77432014837 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 (77432014903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7268021 + ... + 7278666.

It is an arithmetic number, because the mean of its divisors is an integer number (19361641728).

Almost surely, 2^77432014901 is an apocalyptic number.

It is an amenable number.

77432014901 is a deficient number, since it is larger than the sum of its proper divisors (14552011).

77432014901 is a wasteful number, since it uses less digits than its factorization.

77432014901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14552010.

The product of its (nonzero) digits is 42336, while the sum is 38.

The spelling of 77432014901 in words is "seventy-seven billion, four hundred thirty-two million, fourteen thousand, nine hundred one".