77452055 has 8 divisors (see below), whose sum is σ = 92997072. Its totient is φ = 61925248.

The previous prime is 77452049. The next prime is 77452079. The reversal of 77452055 is 55025477.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77452055 - 2²⁴ = 60674839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7919 + ... + 14751.

It is an arithmetic number, because the mean of its divisors is an integer number (11624634).

Almost surely, 2^77452055 is an apocalyptic number.

77452055 is a deficient number, since it is larger than the sum of its proper divisors (15545017).

77452055 is a wasteful number, since it uses less digits than its factorization.

77452055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9105.

The product of its (nonzero) digits is 49000, while the sum is 35.

The square root of 77452055 is about 8800.6849165278. The cubic root of 77452055 is about 426.2630110435.

The spelling of 77452055 in words is "seventy-seven million, four hundred fifty-two thousand, fifty-five".