77551342 has 8 divisors (see below), whose sum is σ = 126902232. Its totient is φ = 35250600.

The previous prime is 77551337. The next prime is 77551351. The reversal of 77551342 is 24315577.

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

It is a junction number, because it is equal to n+sod(n) for n = 77551298 and 77551307.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1762509 + ... + 1762552.

It is an arithmetic number, because the mean of its divisors is an integer number (15862779).

Almost surely, 2^77551342 is an apocalyptic number.

77551342 is a deficient number, since it is larger than the sum of its proper divisors (49350890).

77551342 is a wasteful number, since it uses less digits than its factorization.

77551342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3525074.

The product of its digits is 29400, while the sum is 34.

The square root of 77551342 is about 8806.3239776879. The cubic root of 77551342 is about 426.4450776733.

The spelling of 77551342 in words is "seventy-seven million, five hundred fifty-one thousand, three hundred forty-two".