77242301427253 has 4 divisors (see below), whose sum is σ = 77263859427328. Its totient is φ = 77220743427180.

The previous prime is 77242301427139. The next prime is 77242301427259. The reversal of 77242301427253 is 35272410324277.

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 77242301427253 - 2¹³ = 77242301419061 is a prime.

It is a super-2 number, since 2×77242301427253² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77242301427197 and 77242301427206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77242301427259) 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, 10778994663 + ... + 10779001828.

It is an arithmetic number, because the mean of its divisors is an integer number (19315964856832).

Almost surely, 2^{77242301427253} is an apocalyptic number.

It is an amenable number.

77242301427253 is a deficient number, since it is larger than the sum of its proper divisors (21558000075).

77242301427253 is a wasteful number, since it uses less digits than its factorization.

77242301427253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21558000074.

The product of its (nonzero) digits is 3951360, while the sum is 49.

The spelling of 77242301427253 in words is "seventy-seven trillion, two hundred forty-two billion, three hundred one million, four hundred twenty-seven thousand, two hundred fifty-three".