77034157 has 8 divisors (see below), whose sum is σ = 82190592. Its totient is φ = 71947200.

The previous prime is 77034149. The next prime is 77034161. The reversal of 77034157 is 75143077.

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 77034157 - 2³ = 77034149 is a prime.

It is a super-2 number, since 2×77034157² = 11868522689401298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77034857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15069 + ... + 19522.

It is an arithmetic number, because the mean of its divisors is an integer number (10273824).

Almost surely, 2^77034157 is an apocalyptic number.

It is an amenable number.

77034157 is a deficient number, since it is larger than the sum of its proper divisors (5156435).

77034157 is a wasteful number, since it uses less digits than its factorization.

77034157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34739.

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 77034157 is about 8776.9104473043. The cubic root of 77034157 is about 425.4949840682.

The spelling of 77034157 in words is "seventy-seven million, thirty-four thousand, one hundred fifty-seven".