93977142 has 16 divisors (see below), whose sum is σ = 214804992. Its totient is φ = 26850600.

The previous prime is 93977141. The next prime is 93977159. The reversal of 93977142 is 24177939.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 2237551 = 93977142 / (9 + 3 + 9 + 7 + 7 + 1 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 93977094 and 93977103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93977141) 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, 1118734 + ... + 1118817.

It is an arithmetic number, because the mean of its divisors is an integer number (13425312).

Almost surely, 2^93977142 is an apocalyptic number.

93977142 is an abundant number, since it is smaller than the sum of its proper divisors (120827850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

93977142 is a wasteful number, since it uses less digits than its factorization.

93977142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237563.

The product of its digits is 95256, while the sum is 42.

The square root of 93977142 is about 9694.1808318186. The cubic root of 93977142 is about 454.6467362211.

The spelling of 93977142 in words is "ninety-three million, nine hundred seventy-seven thousand, one hundred forty-two".