77300157 has 32 divisors (see below), whose sum is σ = 115200000. Its totient is φ = 45714240.

The previous prime is 77300137. The next prime is 77300159. The reversal of 77300157 is 75100377.

It is not a de Polignac number, because 77300157 - 2¹² = 77296061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77300159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 388344 + ... + 388542.

It is an arithmetic number, because the mean of its divisors is an integer number (3600000).

Almost surely, 2^77300157 is an apocalyptic number.

It is an amenable number.

77300157 is a deficient number, since it is larger than the sum of its proper divisors (37899843).

77300157 is a wasteful number, since it uses less digits than its factorization.

77300157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441.

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

The square root of 77300157 is about 8792.0507846577. The cubic root of 77300157 is about 425.9841681171.

The spelling of 77300157 in words is "seventy-seven million, three hundred thousand, one hundred fifty-seven".