149997082077 has 12 divisors (see below), whose sum is σ = 219630431644. Its totient is φ = 98628217920.

The previous prime is 149997082057. The next prime is 149997082093. The reversal of 149997082077 is 770280799941.

149997082077 is a `hidden beast` number, since 1 + 499 + 9 + 70 + 8 + 2 + 0 + 77 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 102086001081 + 47911080996 = 319509^2 + 218886^2 .

It is not a de Polignac number, because 149997082077 - 2⁸ = 149997081821 is a prime.

It is a super-2 number, since 2×149997082077² (a number of 23 digits) 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 (149997082057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114152374 + ... + 114153687.

Almost surely, 2^149997082077 is an apocalyptic number.

It is an amenable number.

149997082077 is a deficient number, since it is larger than the sum of its proper divisors (69633349567).

149997082077 is a wasteful number, since it uses less digits than its factorization.

149997082077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228306140 (or 228306137 counting only the distinct ones).

The product of its (nonzero) digits is 16003008, while the sum is 63.

The spelling of 149997082077 in words is "one hundred forty-nine billion, nine hundred ninety-seven million, eighty-two thousand, seventy-seven".