88780120157 has 4 divisors (see below), whose sum is σ = 93452758080. Its totient is φ = 84107482236.

The previous prime is 88780120109. The next prime is 88780120181. The reversal of 88780120157 is 75102108788.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 88780120157 - 2¹⁶ = 88780054621 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 (88780120057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2336318933 + ... + 2336318970.

It is an arithmetic number, because the mean of its divisors is an integer number (23363189520).

Almost surely, 2^88780120157 is an apocalyptic number.

It is an amenable number.

88780120157 is a deficient number, since it is larger than the sum of its proper divisors (4672637923).

88780120157 is a wasteful number, since it uses less digits than its factorization.

88780120157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4672637922.

The product of its (nonzero) digits is 250880, while the sum is 47.

The spelling of 88780120157 in words is "eighty-eight billion, seven hundred eighty million, one hundred twenty thousand, one hundred fifty-seven".