37342979977 has 8 divisors (see below), whose sum is σ = 39543010056. Its totient is φ = 35143325952.

The previous prime is 37342979941. The next prime is 37342979987. The reversal of 37342979977 is 77997924373.

It can be written as a sum of positive squares in 4 ways, for example, as 15394853776 + 21948126201 = 124076^2 + 148149^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37342979977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37342979987) 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, 125043 + ... + 300535.

It is an arithmetic number, because the mean of its divisors is an integer number (4942876257).

Almost surely, 2^37342979977 is an apocalyptic number.

It is an amenable number.

37342979977 is a deficient number, since it is larger than the sum of its proper divisors (2200030079).

37342979977 is a wasteful number, since it uses less digits than its factorization.

37342979977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188027.

The product of its digits is 126023688, while the sum is 67.

The spelling of 37342979977 in words is "thirty-seven billion, three hundred forty-two million, nine hundred seventy-nine thousand, nine hundred seventy-seven".