77030157 has 8 divisors (see below), whose sum is σ = 105095584. Its totient is φ = 50159088.

The previous prime is 77030141. The next prime is 77030159. The reversal of 77030157 is 75103077.

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

It is not a de Polignac number, because 77030157 - 2⁴ = 77030141 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 (77030159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298438 + ... + 298695.

It is an arithmetic number, because the mean of its divisors is an integer number (13136948).

Almost surely, 2^77030157 is an apocalyptic number.

It is an amenable number.

77030157 is a deficient number, since it is larger than the sum of its proper divisors (28065427).

77030157 is a wasteful number, since it uses less digits than its factorization.

77030157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597179.

The product of its (nonzero) digits is 5145, while the sum is 30.

The square root of 77030157 is about 8776.6825737291. The cubic root of 77030157 is about 425.4876193291.

The spelling of 77030157 in words is "seventy-seven million, thirty thousand, one hundred fifty-seven".